2 years ago

Triangle ABC is a right triangle.

Mathematics

1 answer:

Nastasia [14]2 years ago

5 0

Answer:

mZA=50

mZB=28

mZC=90

value of x is 28 how i got it was 32-4.

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What is the area of the parallelogram?

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Answer:80cm^2

Step-by-step explanation:

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In the above diagram we were given a base of 16cm and height of 5cm

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2 years ago

Select all choices that describe rectangles with same area that are NOT congruent.

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Step-by-step explanation:

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3 years ago

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lubasha [3.4K]

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If ab = 8 and a^2+b^2=16, then what is the value of (a+b)^2?

aksik [14]

$ab = 8$ & $a^{2} + b^{2} = 16$ so , $( a+b )^{2} = 32$ .

<u>Step-by-step explanation:</u>

Here we have , ab= 8 & a^2+b^2=16 i.e. $ab = 8$ and $a^{2} + b^{2} = 16$ .

We need to find value of (a+b)^2 i.e. $(a+b)^{2}$ :

It's and identity and we know that $( a+b )^{2} = a^{2} +b^{2} +2ab$

⇒ $( a+b )^{2} = a^{2} +b^{2} +2ab$

⇒ $( a+b )^{2} = (a^{2} +b^{2}) +2(ab)$

⇒ $( a+b )^{2} = (16) +2(8)$

⇒ $( a+b )^{2} = (16) +(16)$

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∴ $ab = 8$ & $a^{2} + b^{2} = 16$ so , $( a+b )^{2} = 32$ .

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2 years ago