Let’s solve each problem one by one, step by step.
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(1) Perimeter of the square is 44 cm. Find the length of each side in cm.
A square has 4 equal sides.
Perimeter = sum of all 4 sides = 4 × (one side)
So, if perimeter = 44 cm, then:
One side = 44 ÷ 4 =
11 cm
✔ Correct answer:
(a) 11
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(2) Find the perimeter of the triangle whose sides are; (in cm) 9, 7.5, 5.5
Perimeter of a triangle = add all three sides
9 + 7.5 = 16.5
16.5 + 5.5 =
22
✔ Correct answer:
(d) 22
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(3) Find the perimeter of the triangle whose sides are; (in cm) 30, 40, 50
Add them up:
30 + 40 = 70
70 + 50 =
120
✔ Correct answer:
(a) 120
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(4) Find the perimeter of the triangle whose sides are; (in cm) 2.5, 6, 6.5
Add them:
2.5 + 6 = 8.5
8.5 + 6.5 =
15
✔ Correct answer:
(a) 15
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(5) Find the perimeter of the triangle whose sides are; (in cm) 3.5, 12, 12.5
Add them:
3.5 + 12 = 15.5
15.5 + 12.5 =
28
✔ Correct answer:
(d) 28
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(6) A bathroom had a length of 3 meter and a total area of 27 m². What is the width of the bathroom in meters?
Area of rectangle = length × width
We know:
- Area = 27 m²
- Length = 3 m
So,
Width = Area ÷ Length = 27 ÷ 3 =
9 meters
✔ Correct answer:
(a) 9
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Final Answer:
(1) a
(2) d
(3) a
(4) a
(5) d
(6) a
Parent Tip: Review the logic above to help your child master the concept of 5th grade math worksheet area and perimeter.
