Find the angles of an isosceles triangle if one of its angles is: 1) 40 ° 2) 60 ° 3) 100 °

univerkov | November 25, 2020 | education

An isosceles triangle is a triangle with two sides and base angles. Two equal sides are called sides, and the third side is called the base. Then: 1) 180- (40 + 40) = 100
Answer: 40; 40; 100
2) (180-40): 2 = 60
Answer: 40; 60; 60
3) (180-100): 2 = 40
Answer: 100; 40; 40

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