Question

Find the measure of the third angle of a triangle:

(i) ∠A = 60°, ∠B = 60°

(ii) ∠A = 70°, ∠B = 80°


(iii) ∠A = 90°, ∠B = 10°


(iv) ∠A = 95°, ∠B = 25°​

Answer 1

1. 60°
2. 30°
3. 80°
4. 60°

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Answer 2

Answer:

i. angle C = 180- 60+60

= 180-. 120

ans= 60degrees

ii. angle C= 180- 70+ 80

= 30 degrees

iii. angle C= 180- 90+10

= 80 degrees

iv. angle C= 180- 95+ 25

= 60 degrees

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