Mathematics
10 Online
OpenStudy (anonymous):
anyone good at area
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OpenStudy (anonymous):
What is the area of the shape below?
Note: Figure not drawn to scale
A. 990.5 cm2
B. 886 cm2
C. 1,019 cm2
D. 781.5 cm2
OpenStudy (anonymous):
@ladybeen
OpenStudy (anonymous):
@Mokeira
OpenStudy (anonymous):
break p the shape and use the formula for area for each piece
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OpenStudy (anonymous):
how
jhonyy9 (jhonyy9):
@NIKKI34 there are two rectangles and a right triangle so hopw you know how to calcule area of a rectangle and area of a triangle sure ,yes ?
OpenStudy (anonymous):
okay, the rectangle at the bottom is \[16\times32\], so solve that to get one part of the area
OpenStudy (anonymous):
im sorry 34 by 16
OpenStudy (mokeira):
ok @NIKKI34 let me send something your way in a minute
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OpenStudy (anonymous):
A=wl
OpenStudy (anonymous):
then the other rectangle which is 19 by 11
OpenStudy (anonymous):
544 the first one and the second 209
OpenStudy (anonymous):
And finally the area for a triangle is\[A=\frac{ 1}{ 2 }lw\]
OpenStudy (anonymous):
what is the length and width tho
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OpenStudy (anonymous):
And the triangle is 14by 19
OpenStudy (anonymous):
133
OpenStudy (anonymous):
yes, now add them all together
OpenStudy (anonymous):
886
OpenStudy (anonymous):
\[133+209+544=886\]
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OpenStudy (anonymous):
Brilliant!
OpenStudy (anonymous):
Do you understand how to do it now?
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
Okay great!!
OpenStudy (mokeira):
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OpenStudy (mokeira):
on top of @TaylorS11 brilliant assistance
OpenStudy (anonymous):
Thanks @Mokeira !