Answer:
Step-by-step explanation:
First distribute the -4 to the 2b and -3b. This leaves you with
Now you can distribute the 12b to b and +4. This leaves you with
Now you can combine your like terms leaving you with .
Answer:
18-20=-2
Step-by-step explanation:
18-20=-2
18+(-20)=-2
Answer:
- draw lines center to vertex
- 43.5 square inches
- 261 square inches
Step-by-step explanation:
<u>Part A</u>:
The area can be decomposed into triangles by drawing a line from the center to each vertex of the hexagon.
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<u>Part B</u>:
The area of each triangle is given by the triangle area formula:
A = (1/2)bh
A = (1/2)(10 in)(8.7 in) = 43.5 in²
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<u>Part C</u>:
The area of the table top is 6 times the area of one triangle:
surface area = 6(43.5 in²) = 261 in²