Question

if the sum of two angles of a triangle is 80° and their difference is 20° find all three angles
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Answer 1

Answer:

40,40,60

भोपाल से बिलासपुर टू यू

Answer 2

Step-by-step explanation:

Consider a △ABC,

then according to the given condition we have:

∠A+∠B=80o and ∠A−∠B=20o

⇒2∠A=100o

⇒∠A=50o

⇒∠B=30o

Using the sum of all the angles of the triangle is 180o

 We have: ∠A+∠B+∠C=180o 

⇒50o+30o+∠C=180o

⇒∠C=100o

Hence ∠A=50o, ∠B=30o and ∠C=100o

Hope it works..✌

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