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11111nata11111 [884]
3 years ago
8

Find the m∠r and m∠y

Mathematics
1 answer:
Sedbober [7]3 years ago
4 0

r = 88.5

y = 3/4

Step-by-step explanation:

From the lower triangle,

97 - 2x = 4x -2

Collecting all similar terms, we get

6x = 99 or x = 16.5

From the upper triangle, we can see that

5x + 6 = r ---> 5(16.5) + 6 = r or r = 88.5

Since the sum of all the interior angles of a triangle is equal to 180, we can write

4y + (5x + 6) + r = 180 ---> 4y + 5(16.5) + 6 + 88.5 = 180

4y = 3 or y = 3/4

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3 years ago
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What is the volume of a cube that has sides 9.2 inches long?
anzhelika [568]
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