Geometry and Measurement Flashcards

What is the area of a triangle with a base of 10 meters and a height of 6 meters?

Answer: 30 square meters

Area of a triangle = ½ × base × height = ½ × 10 × 6 = 30 square meters.

A rectangular box is 5 cm long, 3 cm wide, and 4 cm tall. What is its volume?

Answer: 60 cubic cm

Volume of a rectangular prism = length × width × height = 5 × 3 × 4 = 60 cubic cm.

An angle that measures more than 90° but less than 180° is called:

Answer: Obtuse angle

An obtuse angle measures between 90° and 180°.

How many square inches are in 1 square foot?

Answer: 144 square inches

Since 1 foot = 12 inches, 1 square foot = 12 × 12 = 144 square inches.

A polygon with 6 sides is called a:

Answer: Hexagon

A hexagon has exactly 6 sides; the prefix 'hex-' means six.

If a room is 9 feet wide and 12 feet long, how many square yards of carpet are needed to cover the floor?

Answer: 12 square yards

Convert to yards first: 9 ft = 3 yd, 12 ft = 4 yd; area = 3 × 4 = 12 square yards.

A line segment drawn from the center of a circle to any point on the circle is called the:

Answer: Radius

The radius connects the center of a circle to a point on its edge.