Mathematics
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OpenStudy (freemap):
What is the area of the polygon?
un2
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OpenStudy (freemap):
OpenStudy (freemap):
@jhonyy9
jhonyy9 (jhonyy9):
|dw:1456613184571:dw|
and assume these areas and will get area of poligon
jhonyy9 (jhonyy9):
ok. ?
OpenStudy (freemap):
that doesn't help
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jhonyy9 (jhonyy9):
why ? just see the graph and assume the necessary units
first triangle has a base of 3 units and a height of 1 unit so what will be area of triangle ?
OpenStudy (freemap):
1.5 @jhonyy9
jhonyy9 (jhonyy9):
yes 3*1/2 = 1,5 unit squared - yes ?
jhonyy9 (jhonyy9):
in the same way try calculi area of second right triangle please
OpenStudy (freemap):
what are the points?
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jhonyy9 (jhonyy9):
MOR
OpenStudy (freemap):
numbers?
jhonyy9 (jhonyy9):
for point O check my posted image please
OpenStudy (freemap):
3,3
jhonyy9 (jhonyy9):
but is the same like the base of the first right triangle - than you see it
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jhonyy9 (jhonyy9):
not is right - sorry - how you have got it ?
OpenStudy (freemap):
e =0 in your post=3,3
jhonyy9 (jhonyy9):
|dw:1456613917592:dw|
OpenStudy (freemap):
7.5
jhonyy9 (jhonyy9):
exactly
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jhonyy9 (jhonyy9):
so than area of rectangle = ?
OpenStudy (jdoe0001):
hmmm
OpenStudy (jdoe0001):
notice the picture, I think that's what jhonyy9 is mentioning
OpenStudy (freemap):
would it be 3, -3 for the points
jhonyy9 (jhonyy9):
thank you @jdoe0001 but i think than you see the graph the angle VMR not is right angle sure
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OpenStudy (freemap):
okay, I'm lost now
jhonyy9 (jhonyy9):
try continue it from area of rectangle - ok. ?
OpenStudy (freemap):
what are the points?
jhonyy9 (jhonyy9):
please see the graph ? and numerate these units
jhonyy9 (jhonyy9):
length and width
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jhonyy9 (jhonyy9):
from -3 to 3 are 6 units and on the top or bottom line how many units are there ?
OpenStudy (freemap):
5
jhonyy9 (jhonyy9):
on the left to axe y 2 units and on the right to axe y how many ?
jhonyy9 (jhonyy9):
yes 5 is the width of rectangle so area = ?
OpenStudy (freemap):
30
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jhonyy9 (jhonyy9):
YES 6*5=30 units squared
jhonyy9 (jhonyy9):
total area = ?
OpenStudy (freemap):
30 is all I know
jhonyy9 (jhonyy9):
no 30 is area of the rectangle but there are again two right triangles so area of them you need assume to 30 and will get area of poligon - ok. ?
OpenStudy (freemap):
15
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jhonyy9 (jhonyy9):
no
just you need checking the above calculed 3 areas and assume them for area of poligon - right ?
jhonyy9 (jhonyy9):
the first was 1,5
second has ?
rectangle has ?
-----------------
area of poligon = ?