Answer:
(A) 21
Step-by-step explanation:
5x-15 needs to equal 90 since it is a right angle and 21 makes that true

25.74803 would be your answer
ans: 70 ...( it is by ; 180-110) because of straight angle= 180...........
Answer:
The answer is - x² - 12x + 9
Step-by-step explanation:
1. Using (a-b)²= a²-2ab+b², expand the expression
2. Collect the like terms.
Answer:
<em>YW = 10 units</em>
Step-by-step explanation:
∠Y ≅ ∠X ⇒ WX ≅ WY ⇒ <em>YW</em> = <em>10 units</em>