Calculate Area of the Green Trapezoid | Trapezium | Important Geometry and Algebra skills explained

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Calculate Area of the Green Trapezoid | Trapezium | Important Geometry and Algebra skills explained

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Calculate Area of the Green Trapezoid

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[nineko]

Since the median m is already (a+b)/2, you can get away with only two substitutions (instead of three) if you do A = m • h once you know the value of x.

Indeed, since x = 7/2 and m = 2x + 3, you get that m = 10, and A = 10 • 6 as expected.

[MandeepKaur-ledo]

We can simply plug in the value of x in the length of median 'MN' multiply it with height
Instead of plugging in the value in both parallel lines

[alster]

Another technique is m * h


Since we know that
m= (a+b)/2

m= 10 units
and since we know x= 7/2 units

h= 6 units

A(Trap) = mh

A(Trap) = 10*6
A(Trap) = 60 sq units


Got it in less than a minute and solve it immediately after seeing the thumbnail.

[rajendrab.shetty]

Once you find the value of x, then easily area can be calculated instead of following long procedure.
Multiply(2x+3)*(2x-1) with the value of x.

[seroujghazarian]

(7x-20+3x+5)/2=2x+3
10x-15=4x+6
6x=21
x=7/2
A=(7-1)(7+3)=6×10=60 square units

[MrPaulc]

Thank you, but that one seemed unnecessarily complex.
(10x-15)/2 = 2x+3 balances to x=3.5. 2x+3 (given) is the average width which gives 10 and multiply by (7-1)

[amritanshuprusty]

Good afternoon Sir.
Sir, con you solve this question in your next video-
4p^2+1/p^2=2
8p^3+1/p^3=?
Sir I need your help

[HappyFamilyOnline]

Beautifully explained👍
Thanks for sharing😊

[yalchingedikgedik]

😢 Very well explained .
Thanks sir .
With greetings .