3 years ago

Helppp please!!!!!!!!!!!!!!

Mathematics

1 answer:

klio [65]3 years ago

4 0

Answer:

Yes

Step-by-step explanation:

In this case we are looking at substitution, so any where you find x put three(3) in replace of it.

And remember the answer should be 36,

I find it difficult to type the answer so I will take a picture instead.

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What is the area of a triangle whose side is 17 meters long

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Answer:

125.141

Step-by-step explanation:

Assuming that this is an equilateral triangle, I am going to divide this triangle in half to get a right triangle.

17 is our hypotenuse

17/2 = 8.5, this is one of our legs

The other leg is our height, which we will find.

We use Pythagoras Theorem to find the height/leg: $a^{2} +b^{2} =c^{2}$

$17^{2} -8.5^{2} = 216.75$

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Now, we use another formula to find the area of the triangle: $\frac{Base*Height}{2}$

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