Question

In A ABC AB=AC and
LB = 70 Find LA?​

Answer 1

Answer:

40

Step-by-step explanation:in triangle ABC                                 GIVEN ANGLE B IS 70 AND AB=BC SO IT IS ISOSCELES TRIANGLE SO ANGLE B=ANGLE C                                    THEN ANGLE A⇒ A+B+C=180 WE KNOW THAT IT IS 180                       B=C(WE KNOW THAT B=70)                                                                     A+70+70=180  ⇒A+140=180⇒A=40