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Ede4ka [16]
3 years ago
11

Find x Help ASAP ASAP

Mathematics
1 answer:
Blizzard [7]3 years ago
4 0

the given figure is a rhombus, so it's area =

\frac{1}{2}  \times \: d1 \times d2

where, d1 and d2 are diagonals of the rhombus,

and since, the diagnonals of rhombus bisects each other, the values of their diagonals are

(2 × x) and (2 × 15) =》2x and 30 respectively,

so, by finding the area using the given diagonals and equating it with the real area, we get :

=》

\frac{1}{2}  \times 2x \times 30 = 300

=》

x \times 30 = 300

=》

x =  \frac{300}{30}

=》

x = 10

so,

value of x = 10 units

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4*9=x^2+9x\\36=x^2+9x\\x^2+9x-36=0\\x^2+12x-3x-36=0\\x(x+12)-3(x+12)=0\\(x+12)(x-3)=0\\x+12=0$ x-3=0\\x=-12 or x=3\\Since x cannot be negative$\\x=|RQ|=3

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