pleas exxplain the full formula for me so i can uderstand this
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OpenStudy (mathstudent55):
There is no single formula that can find the area of the complete figure.
Instead, you break up the figure into parts with known shapes and you find each area. Then you add the areas together.
OpenStudy (mathstudent55):
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OpenStudy (mathstudent55):
What are the shapes of the two parts labeled A and B?
OpenStudy (peachy1):
a is a rectangle and b is a trangle sorta
OpenStudy (peachy1):
triangle
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OpenStudy (peachy1):
@mathstudent55
OpenStudy (mathstudent55):
Correct.
A is a rectangle.
B is a triangle. Not "sorta". It really is a triangle.
OpenStudy (mathstudent55):
Do you know how to find the area of a rectangle?
OpenStudy (peachy1):
yes
OpenStudy (mathstudent55):
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OpenStudy (peachy1):
yes
OpenStudy (mathstudent55):
Good. Look in the original figure of your problem.
What are the length and width of the rectangle?
OpenStudy (peachy1):
22 x 17?
OpenStudy (peachy1):
=374
OpenStudy (mathstudent55):
Correct.
Now multiply them together to find the area of the rectangle.
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OpenStudy (peachy1):
374
OpenStudy (mathstudent55):
Correct.
22 cm * 17 cm = 374 cm^2
OpenStudy (mathstudent55):
Now we need to deal with section B, the triangle.
Do you know how to find the area of a triangle?