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2 years ago

Can someone help me find the measure of the angle indicated in bold please

Mathematics

2 answers:

Oksi-84 [34.3K]2 years ago

7 0

9514 1404 393

Answer:

A) 105°

Step-by-step explanation:

The two marked angles are alternate interior angles, so are congruent.

8x +17 = 9x +6

11 = x

8x +17 = 8(11) +17 = 88 +17 = 105 . . . . degrees

The bolded angle is 105°.

solmaris [256]2 years ago

4 0

Answer:

105 degrees

Step-by-step explanation:

Here ,

8x+17=9x+6(being alternate angles )

17-6=9x-8x

11= x

Again,

8x-17=8×11+17

Therefore 8x-17=105 degrees

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The complete figure of this question is attached below

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<h3>The perimeter of the quadrilateral is 129 inches</h3>

Solution:

The complete figure of this question is attached below

Given that, a quadrilateral with,

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