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Gelneren [198K]
2 years ago
15

Find the value of the variable.

Mathematics
1 answer:
Nikolay [14]2 years ago
4 0

we are given that

both sides are equal

so, their length must be equal

HK=\sqrt{(p-1)^2+(5-2)^2}

HK=\sqrt{(p-1)^2+9}

now, we can find other side

JK=\sqrt{(p-7)^2+(5-2)^2}

JK=\sqrt{(p-7)^2+9}

now, we can set them equal

HK=JK

\sqrt{(p-1)^2+9}=\sqrt{(p-7)^2+9}

now, we can take square both sides

(p-1)^2+9=(p-7)^2+9

now, we can solve for p

(p-1)^2=(p-7)^2

p^2-2p+1=p^2-14p+49

-2p+1=-14p+49

12p=48

p=4..............Answer

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