X-4+x=20
2x=20+4
2x=24
X=12
Number is 12 because 12-4 is 8 and 8+12 is 20
<u>Answer</u>:
x =
<u>Explanation</u>:
using sohcahtoa method:
middle line: 9 ÷ sin(45) = 9√2
x = sin(60) * 9√2 =
SAME: Both measure a circle
DIFFERENT: Circumference measures AROUND the circle and the area measures the entire circle.
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