In a triangle ABC, A is 25 more than B; and C is 10 less - Maths - Understanding Elementary Shapes

Question

In a triangle ABC, ∠A is 25° more than ∠B; and ∠C
is 10° less than ∠B What are the triangle?

Ayushi Chaurasiya · Accepted Answer

Dear Student,
Let ∠B = x⇒∠A=25+x and ∠C=x-10Now ∠A+∠B+∠C=180⇒25+x+x+x-10=180⇒3x=180-25+10=165⇒x=1653=55∠B = x=55°∠A=25+x=55+25=80°∠C=x-10=55-10=45°
Regards

In a triangle ABC, ∠A is 25° more than ∠B; and ∠C is 10° less than ∠B. What are the triangle?