3 years ago

All triangles are the same I need surface area !!!!

1 answer:

kow [346]3 years ago

6 0

Split the square in half what is it? Two triangles add two triangles together 127 + 127 = 254 the surface area is 254

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crimeas [40]

10 would be called the Minuend.
4 would be called the Subtrahend.
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olga55 [171]

I don’t know what you’re tying to say

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Natalka [10]

Answer:

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2 years ago

Gnom [1K]

Answer:

$x_{1}=\frac{+3+\sqrt{5} }{2}\\\\x_{2}=\frac{+3-\sqrt{5} }{2}$

Step-by-step explanation:

Using:

$x=\frac{-b+-\sqrt{b^{2}-4*a*c} }{2*a}$

we will have two solutions.

x^2-3x+1=0

So, a=1 b=-3 c=1

$x_{1}=\frac{+3+\sqrt{-3^{2}-4*1*1} }{2*1}\\\\x_{2}=\frac{+3-\sqrt{-3^{2}-4*1*1} }{2*1}$

We have two solutions:

$x_{1}=\frac{+3+\sqrt{5} }{2}\\\\x_{2}=\frac{+3-\sqrt{5} }{2}$

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3 years ago

alexira [117]

The parallelogram is a square

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3 years ago