Question

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Answer 1

a

Explanation:

Answer 2

`\sf (1)/(2) (3x+5)(4x)`

Explanation:

Area of the triangle is given by the formula:

`\sf \textsf{Area of triangle }=(1)/(2) * base * height`

In this case:

Given:

• Base of the triangle= 3x+5
• Height of the triangle=4x

Now

Substitute the value of base and height of the triangle in above formula.

We get

`\sf \textsf{Area of triangle}=(1)/(2)* (3x+5)* (4x)`

So, the answer is:

`\sf (1)/(2) (3x+5)(4x)`