Which expression can be used to find the area of a triangle that has a height of 7 units and a base of x units where the height stays the same but the base changes?

Question

A. 7x B. 7x/2 C. 7/2 D. x/2
I think x/2, am I correct? Please help.

Answer 1

not quite. The area is base times height, divided by 2. So, (B)

Answer 2

thank you steve

Answer 3

Jackson's floor rug has four 90 degree angles. All four sides are 18 inches long. The rug has two sets of parallel sides. What shape is the floor rug? Is it a square?

Answer 4

or a parallelogram

Answer 5

Study this.

http://www.mathsisfun.com/quadrilaterals.html

What do you think?

Answer 6

It's a square.

Answer 7

Right. It has four 90 degree angles -- so it's a square.

Answer 8

thank you much, ms. sue

Answer 9

You're very welcome, Island Grandma.

Answer 10

7/2