Answer:
Step-by-step explanation:
<h3>
Sphere:</h3>
1) a) r = 7 cm



= 4*3.14 * 7 * 7
= 615.44 cm²
b) r= 8.4 cm


Surface area = 4*3.14*8.4*8.4
= 887.04 cm²
<h3>Hemisphere:</h3>
a) r = 6 cm




= 3 * 3.14 * 6 * 6
= 339.12 cm²
The answer is bbc or if that’s not the answer the then it’s bbl THANK ME LATERRRR
1. Which polygon or polygons are regular?
A regular polygon is a polygon that is equiangular (all angles are equal in measure) and equilateral (all sides have the same length).
Therefore your answer is:
A. equilateral triangle
C. square
2. Which polygon is always irregular?
traingle - NOT (equilateral triangle)
trapezoid - YES
square - NOT
hexagon - NOT (regular hexagon)
$35,980 would be the correct answer.
$2570x14(paid bi weekly)