Area and perimeter formulas Knowledge-Based Download PDF

Questions

1. 1.

   A right triangle has a perimeter of 60 centimeters and a hypotenuse of 25 centimeters. What is the area of the triangle?

   • A) 75 square centimeters
   • B) 120 square centimeters
   • C) 300 square centimeters
   • D) 150 square centimeters
2. 2.

   A rhombus has a perimeter of 40 cm and one diagonal measuring 12 cm. What is the area of the rhombus?

   • A) $48\text{ cm}^2$
   • B) $96\text{ cm}^2$
   • C) $120\text{ cm}^2$
   • D) $192\text{ cm}^2$
3. 3.

   The area of a trapezoid is 120 cm2 and its height is 8 cm. If one parallel base is 6 cm longer than the other, what is the length of the longer base?

   • A) 18 cm
   • B) 12 cm
   • C) 15 cm
   • D) 21 cm
4. 4.

   A square has the same perimeter as an equilateral triangle. If the side length of the equilateral triangle is 12 cm, what is the area of the square?

   • A) 64 cm²
   • B) 81 cm²
   • C) 108 cm²
   • D) 144 cm²
5. 5.

   A rectangle has a perimeter of $58\text{ cm}$. If its length is $5\text{ cm}$ greater than twice its width, what is the area of the rectangle?

   • A) $128\text{ cm}^2$
   • B) $144\text{ cm}^2$
   • C) $152\text{ cm}^2$
   • D) $168\text{ cm}^2$