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Find the value of x. If necessary, round to the nearest tenth.

9.9 in.

11.9 in

14.0 in

7.0 in.​

Find the value of x. If necessary, round to the nearest tenth. 9.9 in. 11.9 in 14.0 in-example-1
User Biarys
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2 Answers

2 votes
i think it’s 9.9 have a nice day!!
User Kenneth Baltrinic
by
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2 votes

Answer:

9.9

Explanation:

The area of a triangle is given by

A = 1/2 x*x

A = 1/2 x^2

49 = 1/2 x^2

Multiply each side by 2

98 = x^2

Take the square root of each side

sqrt(98) = sqrt(x^2)

sqrt( 2*49) = x

7 sqrt(2) = x

9.899494937 =x

To the nearest tenth

9.9 =x

User Plamen Tetevensky
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