Question

pls tell this answer​

Answer 1

Pls mark the question first to answer this one.

Answer 2

Step-by-step explanation:

$triangal \: 1 = 60 + 70 + x = 180 \\ 130 + x = 180 \\ x = 50 \\ \\ triangal \: 2 = 105 + 55 + x = 180 \\ 160 + x = 180 \\ x = 180 - 160 \\ x = 20 \\ \\ triangal \: 3 = 38 + 90 + x = 180 \\ 128 + x = 180 \\ x = 180 - 152 \\ x = 52 \\ \\ triangal \: 4 = 60 + 60 + x = 180 \\ x + 120 = 180 \\ x = 60$