Answer: 99
Step-by-step explanation:
10x-9=9x
-9=-x
x=9
angle 7 = 9*(9)=81
angle 6 = 180-81= 99
NOTE: DO NOT hit 90 because I did that and got it wrong. Just a heads up. Get luck!
Answer:
a.2x+140=200
b.200-140/2
c.30 minutes
Step-by-step explanation:
Explain the steps you took clearly
Answer and explanation:
Find answer and explanation attached
Given:
Bl parallel to RA.
To find:
The value of x.
Solution:
In triangle ATR and ITB,
[Common angles]
[Corresponding angle]
[AA property of similarity]
We know that the corresponding sides of a similar triangle are proportional. So,



On cross multiplication, we get




Therefore, the correct option is C.