Choose the perimeter (in cm) and area (sq below . cm) of the figure given.
Answers
Given : A figure
To Find : Perimeter and area of given figure
Solution:
We do not know side length of a triangle in picture
Base of that Triangle = 10 - 2 - 2 - 2 = 4 cm
Height of That triangle = 5 - 2 = 3 cm
Hence unknown side/hypotenuse = √4² + 3² = 5 cm
Perimeter = 10 + 5 + 2 + 5 + 5 + 2 + 2 + 2 + 5
= 38 cm
Area = one rectangle = 10 * 5 = 50 cm²
another rectangle = (10 - 2 - 2 ) * 2 = 12 cm²
Triangle area = (1/2) * 3 * 4 = 6 cm²
Total Area = 50 + 12 + 6 = 68 cm²
Perimeter = = 38 cm
Area = 68 cm²
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