Mastering Areas: Rectangles, Circles, Triangles, and Trapezoids

A rectangle has a length of 10 cm and a width of 5 cm. What is the area of the rectangle?

• 15 cm²

• 50 cm²

• 25 cm²

• 100 cm²

If the radius of a circle is 7 cm, what is the area of the circle? (Use π ≈ 3.14)

• 153.86 cm²

• 43.96 cm²

• 246.38 cm²

• 138.26 cm²

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

• 20 cm²

• 40 cm²

• 10 cm²

• 30 cm²

Find the area of a trapezoid with bases of 12 cm and 10 cm, and a height of 6 cm.

• 66 cm²

• 72 cm²

• 132 cm²

• 60 cm²

The diameter of a circle is 14 cm. What is the area of the circle? (Use π ≈ 3.14)

• 615.44 cm²

• 153.86 cm²

• 307.72 cm²

• 123.08 cm²