In triangle abc BC is equal to ab and angle b is equal to 80 degree then angle a is equal to—————.
Pls answer fast
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In triangle abc BC is equal to ab and angle b is equal to 80 degree then angle a is equal to—————.
Pls answer fast
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Step-by-step explanation:
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Verified answer
Answer:
angle a is equal to 50°
Step-by-step explanation:
if BC =AB
And B=80°
then the triangle ABC is a isosceles Triangle
and thus angle A=Angle C
So
let the angle be x
80°+x+x=180°
80°+2x=180
2x=180-80
2x=100
x=100/2
x=50°
So Angle a is equal to 50°