Answer:
91
Step-by-step explanation:
7(10+3)
7(10)+7(3)
70+21
91
Answer:
15 pounds
Step-by-step explanation:
Look at the picture.
The area of the hexagon is equal six times the area of the <span>equilateral triangle.
The formula of the </span><span>equilateral triangle with the leg
a:

Therefore the formula of the area of the hexagon with a side lenght
a is:

We have
a = 12cm. Substitute:

</span>
The correct answer is a.28/72