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Mathematics 8 Online
OpenStudy (anonymous):

What is the surface area of the figure?

OpenStudy (anonymous):

wer is te figure?

OpenStudy (anonymous):

I am loading it up.

OpenStudy (anonymous):

OpenStudy (anonymous):

if you imagine as if u r holding a shape like that how many sides does it has?

OpenStudy (anonymous):

5

OpenStudy (anonymous):

Correct so what are shapes that u can feel ?

OpenStudy (anonymous):

2 triangles and 3 rectangles

OpenStudy (anonymous):

yes exactly

OpenStudy (anonymous):

So, how do I solve?

OpenStudy (anonymous):

Now as he gave dimensions can u attach those dimensions to the shapes that u said?

OpenStudy (anonymous):

I don't know how.

OpenStudy (anonymous):

|dw:1363814696410:dw|

OpenStudy (anonymous):

length is 3, height is 4, width is 2, and slant height is 5?

OpenStudy (anonymous):

Area of the triangle is (1/2)*base*height = (1/2)*3*4 = 6 thats the area of one triangle is 6 sq mts right?

OpenStudy (anonymous):

yes.

OpenStudy (anonymous):

So you would do that x 2 because there are 2 triangles?

OpenStudy (anonymous):

Now tell me u said there are two triangles , then what would be the area of the other triangle?

OpenStudy (anonymous):

Yes the two triangles are equal so we do x2

OpenStudy (anonymous):

6 also?

OpenStudy (anonymous):

Oh, 12

OpenStudy (anonymous):

is both of them

OpenStudy (anonymous):

now coming to area of rectangles say me!

OpenStudy (anonymous):

Me!

OpenStudy (anonymous):

yeah say what would be the area of one of the rectangle of ur choice

OpenStudy (anonymous):

I don't understand.

OpenStudy (anonymous):

|dw:1363815104692:dw| whats the area of shaded portion?

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