Question

The measure of an obtuse angle is given as (3x-42). What inequality describes all the possible values if x for the angel

Answer 1

Answer: x > 74

Explanation:

An obtuse angle is greater than 180°. So, 3x - 42 must be greater than 180.

• 3x - 42 > 180
• +42 +42
• 3x > 222
• ÷3 ÷3
• x > 74