Math Math Geometry and Measurement 2

Question 1

What is the area of a circle with diameter 10 cm? (Use π ≈ 3.14)

Accepted Answer

78.5 cm²

Answer

Radius = 5 cm; Area = πr² = 3.14 × 25 = 78.5 cm².

Question 2

A right angle measures exactly how many degrees?

Accepted Answer

90°

Answer

A right angle is defined as exactly 90°.

Question 3

What is the surface area of a rectangular box that is 3 cm × 4 cm × 5 cm?

Accepted Answer

94 cm²

Answer

Surface area = 2(lw + lh + wh) = 2(12 + 15 + 20) = 2 × 47 = 94 cm².

Question 4

Which of the following is a property of a parallelogram?

Accepted Answer

Opposite sides are equal and parallel

Answer

In a parallelogram, opposite sides are always equal in length and parallel.

Question 5

A road runs 3 miles north and then 4 miles east. How far is the endpoint from the start?

Accepted Answer

5 miles

Answer

Using the Pythagorean theorem: √(3² + 4²) = √(9 + 16) = √25 = 5 miles.

Math Practice Test