Question

if the exterior angle of a triangle is 130 degree and one of its interior opposite angles is 40 degree then find all the angles of the triangle ​

Answer 1

Answer:

triangle= 90×90 degree

Step-by-step explanation:

if one is 130 and 2nd is 40 then 130+40=170 ,180 -170=10 degree

Answer 2

1. draw the figure which i have attached

2.now by exterior angle property that is: sum of  two opposite interior angles is equal to the sum of exterior angle

3.now,∠B+∠A=∠D

4.  40°+∠A=130°

5. ∠A=90°

6. NOW BY USING ANGLE SUM PROPERTY ,that is:∠A+∠B+∠C=180°

7. 90°+40°+∠C=180°

8. ∠C=50°

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