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rodikova [14]
2 years ago
12

Work out the value of angle x, 90 degrees​

Mathematics
2 answers:
anastassius [24]2 years ago
6 0

Answer:

x = 45

Step-by-step explanation:

In isosceles triangles (a triangle where two sides are equal), the two base angles are congruent.

The sum of angles in a triangle is 180°.

In this problem, x is a base angle, so the other base angle is equal to x.

So, adding up all the measures of the angles in this triangle,

90 + x + x = 180

Simplify.

2x + 90 = 180

Substract 90 from both sides

2x = 90

Divide both sides by 2

x = 45

TEA [102]2 years ago
4 0
X=45 I think that should be your answer!
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