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Colt1911 [192]
2 years ago
11

Note: Enter your answer and show all the steps that you use to solve this problem in the space provided

Mathematics
2 answers:
pishuonlain [190]2 years ago
5 0

Answer:

72°

Step-by-step explanation:

Triangles have angles that equal 180°

Knowing this we can use 180 - 38

180-38 = 142

Since both angles have the same values of 21 we know that their angles will be the same

So, 142 ÷ 2 equals 72

MA_775_DIABLO [31]2 years ago
3 0

Answer: 71°

Step-by-step explanation:

Since the triangle is having two equal sides, it is an isosceles triangle, therefore it will also have equal angles.

Since one of the angle is X, the two angles will be 2X

2X + 38° = 180° ( sum of interior angles in a triangle)

2X = 180° - 38°

2X =142°

To get just one of the angles which the x is representing in the figure, we simple divide bothside by 2

2X/2 = 142/2

X = 71°

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