10 Questions
The formula for the area of a square is Area = ______
s \times s
The perimeter of a square is given by P = side + side + side + side, which can also be written as P = ______
4 \times side
The area of a rectangle is given by A= l \times w, where l is the length and w is the width. The perimeter of a rectangle is given by P = (L + W) \times 2. Another term for perimeter is ______
circumference
The formula for the area of a circle is A = ℼr^2. The radius of a circle is given by R = ______
Diameter/2
The six types of triangles are: isosceles, equilateral, scalene, obtuse, acute, and right. An isosceles triangle is a triangle with two congruent sides and one ______ side and angle.
unique
SSS Congruence Postulate: If the three corresponding sides of triangles are ______, then the triangles are congruent.
congruent
SAS Congruence Postulate: If two corresponding sides and their included angle of triangles are ______, then the triangles are congruent.
congruent
ASA Congruence Postulate: If two corresponding angles and their included side of triangles are ______, then the triangles are congruent.
congruent
An angle that measures between 0° and 90° is called an ______ angle.
acute
An angle that measures between 90° and 180° is called an ______ angle.
obtuse
Study Notes
Formulas for Geometric Shapes
- The formula for the area of a square is Area = side².
- The perimeter of a square is P = 4 × side.
Rectangles
- The area of a rectangle is A = l × w, where l is the length and w is the width.
- The perimeter of a rectangle is P = (L + W) × 2.
- Another term for perimeter is circumference.
Circles
- The formula for the area of a circle is A = ℼr².
- The radius of a circle is given by R = √(A/ℼ).
Triangles
- There are six types of triangles: isosceles, equilateral, scalene, obtuse, acute, and right.
- An isosceles triangle is a triangle with two congruent sides and one unequal side and angle.
Congruence Postulates
- SSS Congruence Postulate: If the three corresponding sides of triangles are equal, then the triangles are congruent.
- SAS Congruence Postulate: If two corresponding sides and their included angle of triangles are equal, then the triangles are congruent.
- ASA Congruence Postulate: If two corresponding angles and their included side of triangles are equal, then the triangles are congruent.
Angles
- An angle that measures between 0° and 90° is called an acute angle.
- An angle that measures between 90° and 180° is called an obtuse angle.
This quiz covers the fundamental concepts of geometry including the parts of a circle, perimeter and area formulas for squares and rectangles, circumference, radius, diameter, and the six types of triangles.
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