Question

please solve this question ​

Answer 1

Answer:

area of a triangle=180°

100+25+third angle=180°

125+third angle=180

third angle=180-125

third angle=55

third angle+x=180°(because of sum of adjacent sides=180°)

55+x=180

x=180-55

x=125

125+20+y=180°

145+y=180

y=180-145

y=35