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2 years ago

HELP ME PLZ?!!!?!?!?!?!

Mathematics

1 answer:

miss Akunina [59]2 years ago

7 0

It is.................x+y=5

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stellarik [79]

Answer:

c. 10 cm

Step-by-step explanation:

The parallel sides of trapizium are the bases so

base 1(B1) =9cm , base(B2)= 12cm

$area(a) = 105 {cm}^{2}$

the perpendicular distance means the height so lets find the height

area of trapizium= B1 + B2 × h

2

${105cm}^{2}(the \: given \: area) = \frac{9cm(the \: given \: base) + 12cm(the \: given \: base)}{2} \times h$

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$\frac{ {210cm}^{2} }{21cm} = \frac{21cm \: }{21cm} \times h$

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For any question comment me

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