The largest triangle and the triangle whose hypotenuse is x are similar. So:
(21 + 4)/x = x/4
Cross multiply:
x^2 = 100
x = 10
Your answer is incorrect. It should be 10, not 20.
<h3><u>Answer: 5</u></h3><h2>Your explanation</h2>
You want to take the 20% and think of it as a number. Then you want to go by 20's till you get your number. Or do 20x5 to get 100.
<em>-Edge</em>
Answer:
19
Step-by-step explanation:
5 + 4^2 - 6/3
= 5 + 16 - 2
= 21 - 2
= 19
