Mathematics
Grade-3-
Easy
Question
Solve for h if the perimeter is 87 cm.
- 87 cm
- 34 cm
- 29 cm
- 44 cm
Hint:
Perimeter of a polygon = sum of all sides.
The correct answer is: 34 cm
GIVEN-
Perimeter of the given polygon = 87 cm
3 sides of the given polygon-
a = 29 cm
b = 14 cm
c = 10 cm
TO FIND-
Value of h.
SOLUTION-
We know that-
Perimeter of a polygon = Sum of all sides
∴ Perimeter of a polygon = a + b + c + h
∴ 87 = 29 + 14 + 10 + h .............................. (From given information)
∴ 87 = 53 + h
∴ 87 - 53 = h
∴ 34 = h
FINAL ANSWER-
Option 'b' i.e. '34 cm' is the correct answer to the given question.
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