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help me plzzzz

Mathematics
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|dw:1327404120182:dw|
find the area of the trapezium
i know the formulae but i dont know how to do

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Other answers:

here is the formulae
what do i hav to find?
|dw:1327404394659:dw|
area
plzzzzzzz help me
area of the whole house is 31cm^2? area of trapezium=16 area of rectangle =15
is that 7 cm?|dw:1327404717507:dw|
yes it 7 cm
this is a trapizium
i dont know how to draw nicely.
see razor,|dw:1327404780151:dw|
Okay here a=3cm b=5cm h=7-3=4cm Now Area= 1/2(a+b)h= 1/2* 8*4 =16 cm^2
thank Diyadiya
the whole house is a trapezium.....?
No Its a rectangle + trapezium right ?
yeah
king is correct
oh!
Question says to find the area of trapezium , not the whole house
yeah but the anserw u gave was wrong
Oh wait then .. letme check again
the house is the trapezium...
okay the formulae says 1/2(a+b)h
u need to giv us proper diagram....
but didiya u have multiplied it
if u hav a question can u post it?
\[\frac{1}{2} \times (5+3) \times 4= \frac{1}{2} \times 8 \times 4 =16\]
What is your final answer ?
but in the back of the book its say the answer is its 31cm^2
Its the area of the whole house thats area of rectangle + area of trapezium
yeah diya found the area of the trapezium which the top part =16cm^2 then u find the are a of the rectangle at the bottom, = 5*3 =15cm^2 then the area of the whole thing together is 16+15=31cm^2
total At=area of rectangle + area of trapezoid At= 3x5 + (1/2)(3+5)4 At= 15 + 32/2 At= 15 + 16 =31 square meter ans....
ohh i get it know
thanx for the help everyone.
i gave u answr 31!

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