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Mathematics 16 Online
Sarah10:

geometry what is the are of this shape

Sarah10:

@dude

Sarah10:

http://prntscr.com/i7dq4z

Sarah10:

@iosangel

Sarah10:

@Nnesha

Sarah10:

@umm

563blackghost:

Oooo....I got dis one :3

Sarah10:

thnak youuu

dude:

|dw:1517262939257:dw|

563blackghost:

We need to split this into two shapes: One Rectangle, and One Triangle. |dw:1517262930195:dw| Since we are finding area we identify the formulas. \(\large\bf{Area~of~rectangle=lw}\) \(\large\bf{Area+of+triangle=\frac{1}{2}lw}\) A rectangle has exactly two different side lengths. So we have a length of 6 and a width of 7. \(\large\bf{Area=6 \times 7}\)

563blackghost:

To find the area of the triangle we need to find this side length. |dw:1517263126070:dw| We can subtract the length of 13 by 7 to receive the remainder of the side length that is part of the triangle. |dw:1517263154293:dw| We also need to identify the base of the triangle. We would need to subtract length of the rectangle by 3 (this will give us the base of the triangle.) |dw:1517263239927:dw| Now we know the height to be 6 and the base as 3. Plug this in. \(\large\bf{Area=\frac{1}{2} 6 \times 3}\) Add the two areas to get the shape's area.

Sarah10:

so 9

Sarah10:

9+

563blackghost:

add 9 to the rectangle's area.

Sarah10:

9+45

Sarah10:

yes or no

563blackghost:

yesh

Sarah10:

ok thank youuu

563blackghost:

np :D

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