In a triangle ABC, A = 20° and AB = AC. Find the measure of B.
Answers
Answered by
0
Step-by-step explanation:
Answer
AB=AC
∠B=∠C [Angles opposite to equal sides are equal]
In △ABC,
∠A+∠B+∠C=180
o
100
o
+2∠B=180
o
∠B=40
o
Therefore,
∠B=∠C=40
o
Answered by
0
Answer:
B=80°
Step-by-step explanation:
since AB=BC
B=C [angles opposite to equal sides are equal]
By angle sum property,
A+B+C=180°
20°+B+B=180°
2B=180°-20°
2B=160°
B=160°/2
B=80°
Attachments:
Similar questions