Question

please answers this questions​

Answer 1

Step-by-step explanation:

∆ a = 37+90+x = 180

x = 180- 127

x = 53.

∆ b = 90+25+x = 180

x = 180- 115

x = 65.

∆ c = x+x+66 = 180

2x = 180-66

2x = 114

x = 114/2

x = 57.