9th Grade Geometry: Perimeter & Area Challenges

A rectangular garden has a length of 10 meters and a width of 5 meters. What is the perimeter of the garden?

• 15 meters

• 20 meters

• 30 meters

• 25 meters

If the area of a square is 64 square meters, what is the length of one side?

• 8 meters

• 6 meters

• 10 meters

• 12 meters

A rectangular swimming pool is 15 meters long and 10 meters wide. Calculate the area of the pool.

• 150 square meters

• 120 square meters

• 200 square meters

• 100 square meters

A triangle has a base of 8 cm and a height of 5 cm. What is the area of the triangle?

• 30 cm²

• 25 cm²

• 20 cm²

• 15 cm²

A fence is to be built around a rectangular yard that is 20 meters long and 12 meters wide. How much fencing material is needed?

• 64 meters

• 50 meters

• 40 meters

• 72 meters

The area of a rectangle is 50 square meters. If the length is 10 meters, what is the width?

• 8 meters

• 12 meters

• 5 meters

• 2 meters

A circular park has a radius of 7 meters. What is the perimeter (circumference) of the park? (Use π ≈ 3.14)

• 50.24 meters

• 35.14 meters

• 43.96 meters

• 21.99 meters

A rectangular box has a length of 4 cm, a width of 3 cm, and a height of 5 cm. What is the surface area of the box?

• 70 cm²

• 60 cm²

• 94 cm²

• 80 cm²

If a rectangular field has a perimeter of 60 meters and the length is twice the width, what are the dimensions of the field?

• Length: 15 meters, Width: 20 meters

• Length: 25 meters, Width: 5 meters

• Length: 20 meters, Width: 10 meters

• Length: 30 meters, Width: 15 meters

A trapezoid has bases of 10 meters and 6 meters, and a height of 4 meters. What is the area of the trapezoid?

• 32 square meters

• 24 square meters

• 40 square meters

• 18 square meters