Perimeter
What is the total perimeter of a shape with side 11cm, 10cm and 10cm.
31cm
(-4) + 8 =
4
x + 5 = 15
x = 10
1/2 of 40
20
50% of 84
41
A farmer wants to put a fence up. One side of the fence is 12m, the second side is 11m and the third side is 13m. What is the total perimeter of the fence?
36m
(-12) + (-12) =
-24
73 - x = 36
x = 37
1/6 of 48
8
25% of 100
25
Oliver wants to measure the perimeter of his bedroom. His bedroom floor is an exact square and one side measures 4m. What is the perimeter of Oliver’s room?
16m
(-50) + (-75) =
-125
4x = 44
x = 11
2/3 of 21
14
20% of 70
14
If the total perimeter of a square is 70cm, what is the length of each side?
17.5cm
(-100) + 25 =
-75
-24 - x = - 34
x = 10
3/8 of 160
60
40% of 640
256
The length of a rectangle is 13.6 cm. The perimeter of the rectangle is 37.8cm. Calculate the width of the rectangle
5.3cm
(-501) + 500
-1
3x + 1 = 7
x = 2
7/9 of 360
280
75% of 448
336