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ICE Princess25 [194]
3 years ago
9

Triangle ABC is a right triangle, angle B is the right angle, angle A is

Mathematics
1 answer:
pychu [463]3 years ago
4 0
The answer is 42 degrees.

A triangle has to equal 180 degrees in total. Because you know it is a right triangle and b is the right angle you make angle a plus c equal 90. You add together 8x and 9x to get 17x and add the 2 and 3 to get 5. You have to solve for x so you subtract 5 from both sides to get 17x = 85. To get x alone you divide both sides by 17 giving you x=5. Now that you have x you plug it into to the equation for angle a. This gives you 8(5)+2 which equals 42.

8x+2+9x+3=90
17x+5=90
17x=85
X=5

8(5)+2=
40+2=42
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The question is not complete but I have uploaded the image to complete the question.

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Step-by-step explanation:

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The frequency of a datum is the number of times a given item (datum) appears in the data set.

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