Geometry Unit 4b Test

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Questions and Answers

Which figure has no perpendicular lines?

  • A figure with 4 sides.
  • A circle. (correct)
  • A square.
  • A parallel line figure.

Which figure has exactly one pair of parallel lines?

  • A rectangle.
  • A square.
  • A rhombus.
  • A trapezoid. (correct)

This figure has 4 equal sides. Why isn’t it a square?

  • It has more than 4 sides.
  • It doesn't have any parallel sides.
  • The sides are rounded.
  • The angles are not all 90°. (correct)

Which answer lists all correct names for the figure?

<p>Square, quadrilateral, rhombus. (A)</p> Signup and view all the answers

Which row has windows with four sides and only one pair of parallel sides?

<p>Middle level with trapezoids. (D)</p> Signup and view all the answers

The middle level windows have right angles and all the same length sides. What is the most specific name of the shape?

<p>Square. (D)</p> Signup and view all the answers

What is the measure of the shaded part of a circle divided into 8 parts?

<p>90°. (C)</p> Signup and view all the answers

What is the measure, in degrees, of an angle that represents 1/4 of a circle?

<p>90°. (D)</p> Signup and view all the answers

What is the total perimeter of Mrs. Smith's rectangular bulletin board, which is 4 feet long and 3 feet wide?

<p>14 feet (D)</p> Signup and view all the answers

If the whole angle measures 47 degrees, what is the measure of angle x?

<p>34° (C)</p> Signup and view all the answers

What is the area of Karl's rectangular garden if it measures 20 feet by 45 feet?

<p>900 square feet (D)</p> Signup and view all the answers

What is the width of the rectangle if its perimeter is 20 yards and its length is 7 yards?

<p>4 yards (D)</p> Signup and view all the answers

What is the length of one side of a square that has an area of 49 square meters?

<p>7 meters (A)</p> Signup and view all the answers

If a triangle has angles measuring 30° and 60°, what is the measure of the third angle?

<p>90° (B)</p> Signup and view all the answers

Which angle measures 135°?

<p>An interior angle of an obtuse triangle (B)</p> Signup and view all the answers

How much decorative border does Mrs. Smith need for her bulletin board?

<p>14 feet (B)</p> Signup and view all the answers

Flashcards

Trapezoid

A quadrilateral with exactly one pair of parallel sides.

Rhombus

A four-sided polygon with all sides equal.

Square

A quadrilateral with four right angles and four equal sides.

Rectangle

A quadrilateral with four right angles, opposite sides parallel, and two pairs of sides equal.

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Parallelogram

A four-sided polygon with opposite sides parallel and equal.

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Quadrilateral

A four-sided polygon.

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Circle

A closed figure formed by a continuous line that intersects itself.

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Angle of a Circle (Arc)

A part of a circle measured in degrees.

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What is a protractor?

A protractor is a tool used to measure angles. It typically has a semi-circular shape with degree markings from 0 to 180 degrees.

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How are angles measured?

Angles are measured in degrees, symbolized by the degree symbol (°). Angles can range from 0° to 360°.

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What is a right angle?

A right angle is a 90° angle, often marked with a small square in the corner.

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What is an acute angle?

An acute angle is any angle that measures less than 90°.

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What is an obtuse angle?

An obtuse angle is any angle that measures greater than 90° but less than 180°.

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What is perimeter?

Perimeter is the total length of all sides of a shape. To find the perimeter, add up the lengths of all the sides.

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What is area?

Area is the amount of space inside a two-dimensional shape. It's measured in square units, like square inches or square meters.

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How to calculate the area of a rectangle?

The area of a rectangle is calculated by multiplying its length by its width. Area = length x width.

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Study Notes

Geometry Unit 4b Test 24-25

  • Question 1: The figures with no perpendicular lines are identified.

  • Question 2: Figures with exactly one pair of parallel lines are identified.

  • Question 3: A figure with 4 equal sides is not a square because its angles are not all 90 degrees.

  • Question 4: Correct names for the given figure include quadrilateral, parallelogram, rectangle.

  • Question 5: The bottom level has windows with four sides and only one pair of parallel sides.

  • Question 6: The middle level windows are squares.

  • Question 7: The bottom level windows and the door are rectangles.

  • Question 8: A circle divided into 8 equal parts, the shaded part measures 180°.

  • Question 9: The correct circle diagram showing 45° is identified.

  • Question 10: The fraction representing a 90-degree angle on a circle is 1/4.

  • Question 11: 1/2 of a circle represents a 180° angle.

  • Question 12: The provided angles measure as 35°.

  • Question 13: The angle depicted measures 135°.

  • Question 14: Angle X measures 17 degrees.

  • Question 15: The total angle of the skateboard lift is 42°.

  • Question 16: The sprinkler turns through 96° and needs to turn an additional 84° to reach 180°.

  • Question 17: The unknown angle is 48°.

  • Question 18: Karl's garden area is 900 square feet.

  • Question 19: Mrs. Smith needs 14 feet of border.

  • Question 20: The width of the rectangle is 6 yards.

  • Question 21: The length of one side of the square is 7 meters.

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