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goblinko [34]
3 years ago
14

What is the surface area and steps to get there

Mathematics
1 answer:
GrogVix [38]3 years ago
5 0
So you want to find the area of each side
8X10=80
8x6=48
8x8=64
10X6=60
80+48+64+60=252
So the surface area is 252 yds
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Please help me on math and explain how to get the answer.
Lynna [10]

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Step-by-step explanation:

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4 0
2 years ago
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The vertices of a triangle ABC are A(7, 5), B(4, 2), and C(9, 2). What is measure of angle ABC? 30° 45° 56.31° 78.69°
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The measure of angle ABC is 45°

<em><u>Explanation</u></em>

Vertices of the triangle are:   A(7, 5), B(4, 2), and C(9, 2)

According to the diagram below....

Length of the side BC (a) =\sqrt{(4-9)^2+(2-2)^2}= \sqrt{25}= 5

Length of the side AC (b) = \sqrt{(7-9)^2 +(5-2)^2}= \sqrt{4+9}=\sqrt{13}

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We need to find ∠ABC or ∠B . So using <u>Cosine rule</u>, we will get...

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So, the measure of angle ABC is 45°

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