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Steven knows that the first angle of a triangle measures 98 degrees, and the second angle measures 37 degrees.



Which equation could Steven use to find x, the measure of the third angle?
a)x = 180 + 98 + 37

b)x = (98 + 37) ÷ 180

c)x = 180 − (98 + 37)

d)x = 3 × (98 + 37)

Answer :

cripplefordaze17

C, total angle in a triangle is 180 degrees. if he knows 2 angles then he has to add those 2 and subtract the sum from the total angle to see what the last angle can be

LordSlim

Solving for Unknown Angles in Triangles

Edge 2020

1.C

2.D

3.A

4.B

5.B

6.C

7.?

8.?

9. A,B,E

10.D

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