Question

The figure shows ∠ABD is 90°, split by line BC. The measure of ∠ABC is x° and the measure of ∠DBC is (3x + 10)°. What is the value of x? Enter your answer in the box.

Answer 1

Answer:

angle ABC+ angle DBC = 90 ( given)

x + 3x +10=90

4x +10 =90

4x= 90-10

4x =80

x= 80÷4

x=20

Step-by-step explanation:

u can add this degree (°) sign ok