The angle formed by the two equal sides of an isosceles triangle is 100 degree. Find its base angles.
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Answers
Answered by
4
Answer:
Step-by-step explanation:
base angles are 40 degree each.
subtract 100 from 180 you will get 80 degree. we know that two equal sides of isosceles triangle have opposite angles equal.
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Answered by
10
Answer:
Baase angles are 40°
Step-by-step explanation:
In an isosceles triangle base angles are equal... (1)
So, sum of angles of triangle is 180°
Assuming base angles are B1 and B2
As per (1), base angles are equal so B1=B2
Now,
100° +B1 + B2 =180°
100° + B1 +B1 = 180°
2(B2) = 180°-100°
B2 = 80°/2
B2 = 40°
Hence, B1 = 40°
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