Question

If m∠2 = 42 and m∠6 = 126, what is m∠4?

Answer 1

Answer: 138

Explanation:

It’s slightly bigger than 90, so go with D, 138 degrees because 138 is 90 + 48. 48 is slightly more than 45, which is half of 90. 4 looks about 90 plus half of 90.