In an isosceles triangle, the vertex angle is twice either base angle. Then, find the measure of base angle.
1 answer:
Answer:
45°
Step-by-step explanation:
let the base angle be x, then vertex angle = 2x
The sum of the 3 angles in a triangle = 180°, thus
x + x + 2x = 180
4x = 180 ( divide both sides by 4 )
x = 45
The base angle = 45°
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Step-by-step explanation:
So, i did this,
7.8*10=70
and then add 12
i got 82
did this help??
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