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?
A. 7x B. 7x/2 C. 7/2 D. x/2
I think x/2, am I correct? Please help.
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?
or a parallelogram
not quite. The area is base times height, divided by 2. So, (B)
thank you steve
It's a square.
Right. It has four 90 degree angles -- so it's a square.
thank you much, ms. sue
You're very welcome, Island Grandma.
7/2
Study this.
http://www.mathsisfun.com/quadrilaterals.html
What do you think?