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abruzzese [7]
3 years ago
6

Three questions about areas of triangles

Mathematics
1 answer:
masha68 [24]3 years ago
3 0

Answer:

How to find the area, how to find the high, and how to find the side.

Step-by-step explanation:

Yep that's all.

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Nataly_w [17]

Answers:

x = 3

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=========================================================

Explanation:

We're told that angle A is 20x. The diagram shows we have an equilateral triangle (since all three sides are the same length), so we know that all angles are the same measure and they are equal to 60 degrees.

Equate 20x and 60. So we solve 20x = 60 and that leads to x = 3 after you divide both sides by 20.

Since we have a triangle with all sides equal, we know that AB = AC = 9, therefore y = 9 because y is the length of AB.

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3 years ago
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Igoryamba

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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If we substitute this in the expresion, we will have:

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