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olganol [36]
2 years ago
5

Help me find the X please !! Thank youu

Mathematics
1 answer:
Elenna [48]2 years ago
5 0
We can use the vertical angle theorem which states that any two opposite angles are congruent. So, you can just set the two measures equal to each other and solve for x:
7x-99=2x+1
5x-99=1
5x=100
x =  \frac{100}{5} = 20

So, your answer is 20°.
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<u>Given</u>:

The base of each triangular base is 42 m.

The height of each triangular base is 20 m.

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<u>Surface area of the triangular prism:</u>

The surface area of the triangular prism can be determined using the formula,

SA=bh+(s_1+s_2+s_3)H

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2 years ago
I will give thanks and five stars to the person that helps me.
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Third option is correct!

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