Using Pythagorean theorem:
12^2+17^2=c^2
144+289=c^2
433=c^2
20.81=c
A dilation of factor k multiplies all lengths by k.
So, in your case, all lengths double. The new length is 4.
Answer:
Step-by-step explanation:
19*19=361.
Answer:
-3
Step-by-step explanation:
divide 7 on both sides -21/7 = -3
w=-3
Answer: 20% increase
Step-by-step explanation:
change/ original number
(60 - 50 / 50) x 100 = 20
20%