1-31= -30.
Taking an absolute value makes any value positive, so -30 becomes 30.
The absolute value of 1-31 is 30.
Answer:
The diameter is 14π
Step-by-step explanation:
We know the area of a circle is πr^2
let 49π=πr^2
Cancel the π's, and you get 49=r^2
Take the square root and you get r=7
The diameter of a circle is 2πr.
2π(7)=14π.
Answer:
a. If a polygon is a rectangle, then it is a square
False
b. If a polygon has four 90 degree angles, then it is a rectangle
True
c. If the formula for a shape's area is base time height, it is a rectangle
False
