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Mathematics 10 Online
imyoursgirlsgirl:

last math i hope

imyoursgirlsgirl:

5172319:

What do you think it is?

mhanifa:

Opposite angles are congruent, consider angles MLP and MNP

imyoursgirlsgirl:

ok?

mhanifa:

MLP is sum of two angles, which ones?

imyoursgirlsgirl:

wait mlp or nlp

mhanifa:

\[m <MLP = m<MLN + m<NLP\]

mhanifa:

And MLP is same as opposite angle, it makes and equation

mhanifa:

You get a quadratic equation and solve for x

imyoursgirlsgirl:

yeah im still lost

mhanifa:

\[32 + x ^{2} = 12x\]

imyoursgirlsgirl:

ok do i combine the x

mhanifa:

Its a quadratic equation, you need to solve

mhanifa:

\[x^2 -12x + 32 = 0\]

imyoursgirlsgirl:

x=8 or x=4

imyoursgirlsgirl:

?

mhanifa:

Yes

imyoursgirlsgirl:

wait which one

mhanifa:

On of them to be ignored as the angle is acute

imyoursgirlsgirl:

wait what lol

mhanifa:

Angle MNP, it is 12x

mhanifa:

should be less than 90 deg

imyoursgirlsgirl:

ok

imyoursgirlsgirl:

so we havr to find the angle of NLP

mhanifa:

Its after you decide with x

mhanifa:

Ignore x=8 as 12*8=96>90

mhanifa:

So x = 4 is correct one

imyoursgirlsgirl:

thats what i thought

imyoursgirlsgirl:

as just about to say that

mhanifa:

Angle NLP is x^2

mhanifa:

4^2 = 16

imyoursgirlsgirl:

do i just put the number or do i have to put the x=16

imyoursgirlsgirl:

nvm

mhanifa:

I had to leave sorry. 16 is the answer. x is 4 to help you find the answer

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