Use familiar figures to to find the area of the figure shown. Show all work. Since I can't provide a picture, here is the description. It looks like a rocket ship. There is a triangle with a width of 4 inches. A rectangle with a base of 3 inches and a width of 10 inches. Finally, a trapezoid with a base of 5 inches and a width of 2 inches. My answer was 46 inches but my teacher said "You need to find the area of the triangle, the rectangle, and the trapezoid and then add altogether". The thing is this is extra credit and only 3 days of school left and I never understood the question. If someone can please help me understand I'm willing. I really need to get this question right. Thanks in advance.
There is missing information.
You cannot get the area of the triangle without knowing its height.
Then its area is 1/2 * base * height
The area of a rectangle is width * height
A trapezoid has two bases and a width (or height) -- you only name one. Then, a trapezoid with bases a and b and height h has area (1+b)/2 * h
Fill in the values from your figure and you should get a sum of 46 in^2.
wow great response @dude /:
sorry that should be (a+b)/2 * h
wut-
I got the answer because I was looking up the question on the internet. :( This question confused me at the beginning of the semester and it still does. Also, the figure given to me just said inches next to the number of the shapes. Please, I have no idea other than the advice my teacher told me to do. It's really confusing plus I'm not good with geometry.
Use familiar figures to find the area of the figure shown. Show all work.
So, how did you get the area of 46 without finding the areas of the three shapes? You do know how to do those, I guess?
Just show your work so the teacher knows you can do the areas.
Why not show your work here, so we can see what's going on...
Also, area is square inches, not just inches.