Question

in triangle abc altitude be and cf are equal if angle bac = 36 degree find angle abc​

Answer 1

Step-by-step explanation:

ANSWER:

ΔABC is an isosceles triangle, i.e., AB = AC.∴∠ABC=∠ACBIn ΔABC, let ∠B=∠C=xNow, ∠A+∠B+∠C=180° (Angle sum property)⇒70+x+x=180⇒2x=110⇒x=55°∴∠B=∠C=55°