Question

given the sizes of angle A
and angle B, sketch triangle ABC. Find angle C.
(a) ZA= 20°, ZB = 60°
10​

Answer 1

Sum of angles in triangle=180

Step-by-step explanation:

Angle a +angle b + angle c= 180 so 20+60 +c=180 then 80+c=180 c = 180-80 =100