West B Test Math: Geometry and Measurement 2

Question 1

A rectangular swimming pool is 25 meters long and 10 meters wide. What is the perimeter of the pool?

Accepted Answer

70 meters

Answer

Perimeter of a rectangle = 2(l + w) = 2(25 + 10) = 2(35) = 70 meters.

Question 2

Which of the following best describes supplementary angles?

Accepted Answer

Two angles that sum to 180°

Answer

Supplementary angles are two angles whose measures add up to 180 degrees.

Question 3

A triangle has sides measuring 5 cm, 12 cm, and 13 cm. What type of triangle is this?

Accepted Answer

Right triangle

Answer

Since 5² + 12² = 25 + 144 = 169 = 13², by the Pythagorean theorem this is a right triangle.

Question 4

What is the volume of a cube with a side length of 4 cm?

Accepted Answer

64 cm³

Answer

Volume of a cube = s³ = 4³ = 64 cm³.

Question 5

An angle measuring 135° is best classified as which type?

Accepted Answer

Obtuse

Answer

An obtuse angle measures more than 90° but less than 180°, so 135° is obtuse.

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