Answer: 153.86
Step-by-step explanation:
Area of circle = r^2*3.14
r=7
7^2*3.14= 153.86
Answer:
3y +22
Step-by-step explanation:
y + 6 + 2(y + 8)
Distribute the 2
y+6+2y+16
Combine like terms
3y +22
Answer:
x=20
Step-by-step explanation:
Because all angles of a triangle add up to 180, by adding all the values that your given and setting it equal to 180, you get the value of x.
3x+2x+20+4x-20=180
9x=180
x=20
Answer:
I'm not really sure but I think the small one
Answer:
h = 30 * 2 / 12
h = 5
Step-by-step explanation:
A = b*h / 2
by rearranging this formula we get
h= A*2/b
you can check the solution by putting it in the formula that gives you the area. if it equals 30, it checks out.
pls brainliest (although a second answer is needed to give the crown)