Question

one of the angles of a triangle is 60 degree. The difference between the other two angles is 20degree then the measure of smallest angle is​

Answer 1

Step-by-step explanation:

Given One of the angles of a triangle is 60 degree. The difference between the other two angles is 20 degree then the measure of smallest angle is

• Let the three angles be A,B,C
• Given A = 60 degree
• So B – C = 20 degree
• Or C = B – 20
• We know that sum of three angles of a triangle is 180 degree
• A + B + C = 180 degree
• 60 + B + (B – 20) = 180
• 2B = 180 – 60 + 20
• B = 140 / 2
• B = 70 degree
• C = B – 20
•   = 70 – 20
• C = 50 degree
• So A = 60 degree, B = 70 degree, C = 50 degree

Smallest angle will be C = 50 degree

Reference link will be

https://brainly.in/question/13071347

Answer 2

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