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Question

The height of a triangle is 2x+6 cm and its base 4x12 cm. The area of the triangle expressed as a polynomial is ​

A
8x272 cm2
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B
4x236 cm2
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C
2x218 cm2
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D
4x224x36 cm2
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Solution

The correct option is B 4x236 cm2
Given a triangle b=4x12 cm,h=2x+6 cm
Area = 12×b×h
= 12(4x12)×(2x+6) cm2

= 4x236 cm2

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