Question

FRIENDS PLEASE COMPLETE THE ANSWER FASTLY . MATHS ATTACHMENT

Answer 1

We can consider those triangles are =~ in SAS cretriya

so angle A = angle A¹

3x = 2x+20

3x - 2x = 20

x=20

Therefore, angle B¹A¹C¹

IS 2(20)+20

40+ 20

=60⁰