Sum of two angles of a triangle is 900 and their difference is 500. Find the angles of the a and b triangle.
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Answered by
1
Answer:
ANSWER
Consider a △ABC,
then according to the given condition we have:
∠A+∠B=80
o
and ∠A−∠B=20
o
⇒2∠A=100
o
⇒∠A=50
o
⇒∠B=30
o
Using the sum of all the angles of the triangle is 180
o
We have: ∠A+∠B+∠C=180
o
⇒50
o
+30
o
+∠C=180
o
⇒∠C=100
o
Hence ∠A=50
o
, ∠B=30
o
and ∠C=100
o
Answered by
2
Answer:
x+y=90°
x-y=50°
by adding both we get,
2x=140°
x=70°
y=20°
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