Practice with Area and Perimeter
Site: | Saylor Academy |
Course: | GKT101: General Knowledge for Teachers – Math |
Book: | Practice with Area and Perimeter |
Printed by: | Guest user |
Date: | Tuesday, July 1, 2025, 9:53 AM |
Description
Complete these exercises and check your answers.
Review
1. Find the area and perimeter of a rectangle with a length of \(12\) inches and a width \(15\) inches.
2. Find the area and perimeter of a right triangle with legs \(3 cm\) and \(4 cm\) and hypotenuse \(5 cm\).
10. Find the area of a square with a diagonal of \(12\) in.
Answers
1. Perimeter is \(54 \, inches\) and area is \(180 \, in ^{2}\).
2. Perimeter is \(12 \, cm\) and area is \(6 \, cm ^{2}\).
10. \(72 \, in ^{2}\) (remember that a square is a rhombus)