13. In the given figures, find x, y or 2 (whichever is required)
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Answer:
Fig. 9
Answer : x = 90°
Step-by-step explanation:
2nd isosceles triangle's —
we know that The opposite sides of two equal sides of two isosceles triangles are also equal.
so, The opposite of one of the two equal arms is = 50°
q = 50° and
Suppose one of the angles of the second isosceles triangle is = p
We know that the sum of the three angles of a triangle is = 180
so,
50 + 50 + p = 180
p = 180 - 100
p = 80°
so, 1st isosceles triangle's —
The opposite of two equal sides of the first isosceles triangle will be any shot = 40
so, x = 40° + 50° = 90°
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