Question

(4.2 - 85)

Choose 1 answer:
A
I - (4x85) = 180
-
B
2 + (40 - 85) = 180
4x
© r + 4.1 = 85
с
D
I + (4.2 85) = 90

Answer 1

• Here, the total angle measures 90°.

• So, the two angles will sum up to 90°.

• Hence, x° + (4x - 85)° = 90°

• or, x + (4x - 85) = 90

Answer:

D. x + (4x - 85) = 90

Hope you could understand.

If you have any query, feel free to ask.