Question

Find the measure of angle a

a =

Answer 1

answer: 48°
explanation: that’s a right angel, right angels are 90° 90°-42°= 48°

Answer 2

a = 48°

Explanation:

Forming the equation,

→ 42° + a = 90°

Now the value of a will be,

→ 42° + a = 90°

→ a = 90° - 42°

→ [ a = 48° ]

Hence, the value of a is 48°.