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Mathematics Essentials Quiz

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Questions and Answers

Which of the following is a postulate in geometry?

The sum of the angles in a triangle is always 180 degrees (correct)

In any right-angled triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides

The mean, median, and mode of a dataset are always equal

The area of a circle is equal to $rac{1}{2} imes ext{circumference} imes ext{radius}$

What does the acronym SOHCAHTOA stand for in trigonometry?

Sum of Hypotenuse, Cosine Angle, Tangent Opposite Angle

Sine Over Hypotenuse, Cosine Adjacent Hypotenuse, Tangent Over Adjacent

Sine Opposite Hypotenuse, Cosine Adjacent Hypotenuse, Tangent Opposite Adjacent (correct)

Sine Opposite Angle, Cosine Hypotenuse, Tangent Opposite Hypotenuse

What is the property of addition that states changing the order of addends does not affect the sum?

Commutative property (correct)

Distributive property

Identity property

Associative property

What is the sum of the interior angles of a triangle?

180 degrees (D) Signup and view all the answers

In statistics, which measure describes the middle value in a given set of data?

Median (B) Signup and view all the answers

What is the trigonometric ratio for finding the opposite side of a right-angled triangle?

Sine (D) Signup and view all the answers

Which of the following is a polynomial that cannot be factored?

$x^2 + 5x + 7$ (A) Signup and view all the answers

In a right-angled triangle, if the length of one leg is 3 and the length of the hypotenuse is 5, what is the value of the other leg?

$3 t{2}$ (A) Signup and view all the answers

Which of the following is not a property of mean in statistics?

It is not affected by rearranging the values. (C) Signup and view all the answers