Question

Pleaseeeeee helpppppppp i will mark brainlest

Answer 1

Answer:

B

Step-by-step explanation:

Answer 2

Answer:

B=40°

Step-by-step explanation:

Sum of angles in a triangle =180°

90°+50°+x°=180°

140°+×°=180°

Collect like terms

x°=180°-140°

x°=40°