set up a ratio to find the length:
15/12 = DE/16
cross multiply the 15 & 16:
15 * 16 = 240
divide that by 12 to get DE
240 / 12 = 20
DE = 20
Answer:
the given expression is equivalent to
Step-by-step explanation:
3x+17=2x+23
5x=40
40/5=8
x=8
Answer:
Linear pairs are congruent
That's the answer
(x + 5)^2 + (x/2 + 6)^2 = (30)^2
Take it from here.