Question

in ∆ABC, AB=BC=5cm and angle A =55° , find angleB. please friend it's urgent I have to submit this question tomorrow​

Answer 1

Answer:

ATQ

AB=BC

then,angleA=angle C

As angleA=55°

hence angle is also=55°

angleA+angleB+angleC=180°(Angle Sum Property)

Step-by-step explanation:

55°+angleB+55°=180°

=>angleB=70°