Area of Rectangles
Find the area of the following rectangle.
L= 4cm
W = 8cm
32cm2
Find the perimeter of the following rectangle.
L = 1cm
W = 2cm
P = 6cm
Find the area and perimeter of a triangle with side lengths of 6 and height of 9.
A = 1/2 x 6 x 9 = 27 m²
P = 6 + 6 + 6 = 18 m
What is the formula for the area of a rectangle?
A= L x W
Find the area of the following rectangle.
L = 8m
W = 7m
A = 56m2
Find the perimeter of the following rectangle.
L = 6mm
W = 2mm
P = 16mm
Find the area and perimeter of a triangle if the lengths is 8m and the height is 4m.
A = 1/2 x 8 x 4 = 18 m²
P = 8 + 8 + 8 = 24m
How do you find the perimeter?
add up all the side lengths
Find the area of the following square.
Side of Square = 5cm
A = 25cm2
Find the perimeter of the following square.
Square Side = 7m
P = 28m
How do you find the area of a triangle?
b x h ÷ 2
The area of a square is 16m2.
What is the length of each of the sides?
All 4 sides are 4m
Find the total area of the two rectangles:
1. L = 3cm W = 4cm
2. L= 4cm W= 4cm
1. A = 12cm²
2. A = 16cm²
Total Area ---> 12 + 16 = 28cm2
Find the total perimeter of these two figures:
1. Rectangle: L=2m W=5m
2. Rectangle: L=3m W=1m
1. P = 14m
2. P = 8m
Total Perimeter --->14+8 = 22m
Find the PERIMETER and AREA of a TRIANGLE with base of 20 cm, side length of 10 cm, and a height of 15 cm.
A = 20 x 15 ÷ 2 = 150 cm²
P = 20 + 10 + 15 = 45 m
The area of a rectangle is 20 m2.
The length is 4mm
What is the width?
The width is 5 m
Find the total area of these two figures:
1. Square: Sides = 2m
2. Rectangle: L = 2m W= 4m
1. A = 4m²
2. A = 8m²
Total Area ---> 4 + 8 = 12m2
Find the total perimeter of these two figures:
1. Rectangle: L = 5cm W = 6cm
2. Square: 9cm
1. P = 22cm
2. P = 36cm
Total Perimeter ---> 22+36 = 58cm
Find the PERIMETER and AREA of a TRIANGLE:
11m (Base), 6 m (Height) and side 8 m.
A = 11 x 6 ÷ 2 = 33 m²
P = 11 + 6 + 8 = 25 m
The area of a rectangle is 28cm2.
The length is 7cm.
What is the width?
the width is 4cm