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What strategies are there to find the surface area of three-dimensional shapes made from rectangles and triangles?
Find the areas of the rectangles and triangles. Add them together.
When you use the Distributive Property to find areas of rectangles why does it make sense to divide the rectangles so you get groups of 10?
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How do you find the are of a cross?
You could consider the cross as two intersecting rectangles. Calculate the area of both rectangles and the area of the intersection (overlap). Then area of cross = sum of the areas of the rectangles minus the area of the overlap.
How do you find the area of an L shape?
Assuming you have the dimensions of each of the sides - treat it as two separate rectangles. Using the measurements you have, work out the areas of both rectangles - then add them together.
How are rectangles related to the distributive property?
Rectangles are related to the distributive property because you can divide a rectangle into smaller rectangles. The sum of the areas of the smaller rectangles will equal the area of the larger rectangle.
How do you find the area of an uneven shape?
One method is to divide it into regular shapes - rectangles, triangles, etc. - and measure the areas of those shapes.
How are the areas of similar rectangles related to the scale factor?
The areas are proportional to the square of the scale factor.
Find 4 rectangles with same area with different perimeter?
10cm by 10cm (perimeter=40cm), 5cm by 20cm (perimeter=50cm), 50cm by 2cm (perimeter=104cm), 100cm by 1cm (perimeter=202cm). All of these rectangles' areas are 100cm2
What is the area of a L shaped room?
An L-shaped area can be divided into two rectangles. The total area is the sum of the areas of the two rectangles.
There are two rectangles what are the ratio of the first to the second?
I guess you mean the ratio of the areas; it depends if the 2 rectangles are "similar figures"; that is their matching sides are in the same ratio. If they are similar then the ratio of their areas is the square of the ratio of the sides.
How to Find square footage of a oddly shaped room?
Split the area up into shapes for which you can work out the area: rectangles and triangles. Then the area of the original room is the sum of all the areas.
Why won't squaring a side work with all rectangles to find the area?
Some rectangles don't have equal sides.
