The base is from 2 to 7, which is 5 units long.
The height is from 1 to 8, which is 7 units tall.
Using the Pythagorean theorem we can calculate the hypotenuse:
Hypotenuse = √5^2 +7^2=
√25 +49=
√74=
8.6
Perimeter = 5 + 7 + 8.6 = 20.6
The answer is C.
Answer:
x=1, y= -1
Step-by-step explanation:
x = 2y +3
3x -y = 4
Use the substitution method because we have x= something in terms of y
3 (2y+3) -y = 4
6y + 9 -y = 4 subtract 9 from both sides
6y -y = 4-9 combine like terms
5y = -5 divide both sides by 5
y = -1
x= 2*(-1) +3 = -2+3 = 1
C would be the answer because to find the area of a circle A=pi times radius squared and you put that in a calculator and get 50.24
