Geometry Test

Match the following

• Perfectly round shape

• Parallelagram

• Opposite sides are parallel and equal

• Circle

• Four-sided shape. Looks like a diamond

• Rhombus

• 3-sided shape

• Square

• 4 equal sides and 4 right angles

• Triangle

What is the PERIMETER of a triangle with sides of 15 in, 17 in, and 8 in.

• 35 in

• 42 in

• 40 in

• 25 in

Answer explanation

The perimeter of a triangle is the sum of all its sides. Therefore, the perimeter of the triangle with sides 15 in, 17 in, and 8 in is 15 + 17 + 8 = 40 in. Hence, the correct answer is 40 in.

What is the AREA of a triangle with a base of 15 inches and a height of 8 inches?

• 120 square inches

• 40 square inches

• 30 square inches

• 60 square inches

Answer explanation

The area of a triangle is calculated using the formula: Area = 0.5 * base * height. Substituting the values, Area = 0.5 * 15 * 8 = 60 square inches. Therefore, the correct answer is 60 square inches.

Find the PERIMETER for a triangle with sides of 5 inches, 12 inches, and 13 inches.

• 35 inches

• 25 inches

• 30 inches

• 28 inches

Answer explanation

To find the perimeter of a triangle, add up the lengths of all three sides. In this case, 5 + 12 + 13 = 30 inches. Therefore, the correct answer is 30 inches.

What is the AREA of a triangle with a base of 12 inches and a height of 5 inches?

• 25 square inches

• 60 square inches

• 10 square inches

• 30 square inches

Answer explanation

The area of a triangle is calculated using the formula: Area = 0.5 * base * height. Substituting the values, Area = 0.5 * 12 * 5 = 30 square inches. Therefore, the correct answer is 30 square inches.

What is the AREA of a parallelogram with a base of 12 inches and a height of 4 inches?

• 20 square inches

• 10 square inches

• 36 square inches

• 48 square inches

Answer explanation

To find the area of a parallelogram, multiply the base by the height. In this case, 12 inches * 4 inches = 48 square inches. Therefore, the correct answer is 48 square inches.

What is the PERIMETER of a parallelogram with sides of 12 inches and 5 inches?

• 34 inches

• 40 inches

• 25 inches

• 17 inches

Answer explanation

The perimeter of a parallelogram is calculated by adding all four sides. In this case, 12 + 12 + 5 + 5 = 34 inches. Therefore, the correct answer is 34 inches.

What is the AREA of a rectangle with sides of 30 inches and 22 inches?

• 350 square inches

• 460 square inches

• 660 square inches

• 792 square inches

Answer explanation

To find the area of a rectangle, multiply the length by the width. Therefore, the area is 30 inches * 22 inches = 660 square inches. Hence, the correct answer is 660 square inches.

What is the perimeter of a rectangle with sides of 30 inches and 22 inches?

• 104 inches

• 115 inches

• 80 inches

• 52 inches

Answer explanation

The perimeter of a rectangle is calculated by adding all four sides. In this case, 30 + 30 + 22 + 22 = 104 inches. Therefore, the correct answer is 104 inches.

What is the PERIMETER of a square with sides of 12 inches?

• 60 inches

• 36 inches

• 48 inches

• 24 inches

Answer explanation

The perimeter of a square is calculated by adding all four sides. Since all sides are 12 inches, the perimeter is 12 + 12 + 12 + 12 = 48 inches. Therefore, the correct answer is 48 inches.