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Area of a Triangle

The perimeter...

Question

The perimeter of a triangle whose sides are $(2 y + 3 z), (z - y), (4 y - 2 z)$ is?

A

5 y + 2 z

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B

10 y + 4 z

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C

5 y - 2 z

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D

- 5 y + 2 z

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Solution

The correct option is A $5 y + 2 z$
Perimeter of a triangle

$= s u m o f i t s s i d e s$

$= (2 y + 3 z + z - y + 4 y - 2 z)$

$= (5 y + 2 z)$

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