Solving Equations
12 = w - 2
w = 14
-3 + -7
-11
-1 - 9 =
-10
If the radius of a circle is 7 in. What is the area?
A = 49 in
If the radius of a circle is 7 in. What is the circumference?
C = 14in
q + 10 =
q = -11
9 + (-15) =
-6
8 - (-7) =
1
If the radius of a circle is 8in. What is the area?
A = 64 in
If the radius of a circle is 13 in. What is the circumference?
C = 26in
-2 = t + 6
t = -8
-5 + 6 =
1
-9 - 12
-21
If the radius of a circle is 13in. What is the area?
A = 169 in
If the radius of a circle is 5 yd. What is the circumference?
C = 10yd
p - (-8) = -4
p = -12
-2 + (-3) =
-5
85 - (-48)
37
If the diameter of a circle is 20 in. What is the area?
A = 100 in
If the radius of a circle is 20 ft. What is the circumference?
C = 40 ft
v + (-9) =
v = 11
-4 + (-3) =
-7
-5 - (-45)
-50
If the diameter of a circle is 18 in. What is the area?
A = 81 in
If the radius of a circle is 30 yd. What is the circumference?
C = 60 yd