Question

answer these...........​

Answer 1

Answer:

12) 2x + 3x + 5x = 180°

= 10x = 180°

= x = 18°

∴ Largest angle is 5x = 90°

13) 5 : X = 3 : 4  , then x = ?

= $\bold{\frac{5}{x}}$ = $\bold{\frac{3}{4}}$

= $\bold{\frac{5\times4}{3}}$ = x

∴ x = $\bold{\frac{20}{3}}$

Answer 2

Answer:

90 and 20/3 it is your answer

Step-by-step explanation:

please mark as brainliest answer please