Calculate the missing angles and give a reason for your answer
1 answer:
Answer:
72°
Step-by-step explanation:
the top angle in the triangle=36° because alternate angles are equal
the triangle is an isosceles triangle hence the base angles are equal
the sum of angles in a triangle is 180°
180°=(36+i°+i°)
180=36+2i°
2i°=180-36
2i°=144
i°=144/2
i°=72°
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