Find the perimeter of the triangle given below.

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Question

Find the perimeter of the triangle given below.

Options:

A . 150 cm

B . 90.8 cm

C . 170 cm

D . 90.08 cm

Answer: Option C
:
C

We know that 1 m = 100 cm
$\Rightarrow$ 0. 8 m = 0.8 $\times$ 100 cm = 80 cm
Perimeter = Sum of all sides = AB + BC +AC
$\Rightarrow$ Perimeter = 50 cm + 40 cm + 80 cm = 170 cm

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