Asked by marko

word problem can you help me:
a trapezoid has an area of 4 square units, and a height of 1 unit. what are the possible whole numbers lengths for the bases?
would the only whole number be; 4?
im not sure how to answer this
Answered by Ms. Sue
The area of a trapezoid is the average of the bases times the height.

The average must be 4. Therefore, the bases could be:

1 + 7
2 + 6
3 + 5
Answered by marko
i don't understand how you got this answer?
can you pls explain more
Answered by Ms. Sue
The average is figured by adding the two bases and dividing by 2.

1 + 7 = 8
8/2 = 4

2 + 6 = 8

3 + 5 = 8

It could also be 4 + 4.

Answered by marko
OK now i understand, i thought I had to do divide by 2 but you didn't say that 1st but i do understand now
THanks !
Answered by Ms. Sue
You're welcome.
Answered by jose
a trapezoid has an area of 4 square units and a height of 1 unit. What are the possible whole-number lengths for the bases
Answered by joe
The area of a trapezoid is the average of the bases times the height.

The average must be 4. Therefore, the bases could be:

1 + 7
2 + 6
3 + 5
The average is figured by adding the two bases and dividing by 2.

1 + 7 = 8
8/2 = 4

2 + 6 = 8

3 + 5 = 8

It could also be 4 + 4.
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