Math Math Geometry and Measurement 3

Question 1

What is the volume of a cylinder with radius 3 cm and height 10 cm? (Use π ≈ 3.14)

Accepted Answer

282.6 cm³

Answer

Volume = πr²h = 3.14 × 9 × 10 = 282.6 cm³.

Question 2

An angle measuring 130° is classified as which type of angle?

Accepted Answer

Obtuse

Answer

An obtuse angle measures between 90° and 180°, so 130° is obtuse.

Question 3

What is the perimeter of an equilateral triangle with side length 9 cm?

Accepted Answer

27 cm

Answer

Equilateral triangle perimeter = 3 × side = 3 × 9 = 27 cm.

Question 4

A square has a perimeter of 48 inches. What is its area?

Accepted Answer

144 in²

Answer

Side = 48 ÷ 4 = 12 inches; Area = 12² = 144 in².

Question 5

What is the measure of each interior angle of a regular hexagon?

Accepted Answer

120°

Answer

Interior angle of regular hexagon = (6-2)×180° ÷ 6 = 720° ÷ 6 = 120°.

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