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Artist 52 [7]
3 years ago
12

Find the measure of angle CBA.

Mathematics
2 answers:
aliina [53]3 years ago
6 0
101 degrees is angle CBA
Wewaii [24]3 years ago
4 0

The measure of ∠CBA = 101°.

The sum of the angles is 180°, so to solve, add all of the expressions and equal it to 180°. Then, solve for X by combining like terms, subtractracting 30 from both sides and dividing both sides by 15.

(4x+7) + (11x-9) + 32 = 180

15x + 30 = 180

15x = 150

x = 150/15

x = 10

Then, plug x = 10 into the expression representing anlge CBA.

∠CBA = 11x - 9 = 11(10) - 9 = 101.

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Step 1: Draw the altitude down the center of the triangle

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- We should also see that we use sin∅ to find the <em>h</em> height of the triangle and that we use cos∅ to find length of JM to find <em>b</em> base of the triangle

Step 2: Find <em>h</em>

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Step 3: Find <em>b</em>

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Step 5: Find area

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