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3 years ago

Expand the following expression by using the distributive method. 6(3b-4c)

Mathematics

1 answer:

sergeinik [125]3 years ago

8 0

18b-24c. U take the six times the 3b and then the 6 times the -4c. U “distribute” the six with both values

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From a point Q, the length of the tangent to a circle is 24 cm and the distance of Q from the centre is 25 cm find the radius of

Umnica [9.8K]

$\large\bold{{Question :}}$

From a point Q, the length of the tangent to a circle is 24 cm and the distance of Q from the centre is 25 cm find the radius of the circle.

$\large\bold\red{\underline{Solution :-}}$

Here, O is the center of the circle.

⟼ Given :

OQ = 25 cm
PQ = 24 cm

⟼ To Find : We have to find the radius OP.

Since QP is tangent, OP perpendicular to QP.

(Since, Tangent is Perpendicular to Radius ⠀⠀⠀⠀⠀⠀⠀at the point of contact)

So, ∠OPQ=90°

⟼ By Applying Pythagoras Theorem :

OP² + RQ² = OQ²

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OP² = 49

OP = √49

OP = 7 cm

Hence, The Radius is 7 cm

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<h3>-MissAbhi</h3>

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2 years ago

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Tatiana [17]

I love the word of GOD so much that I agree with jwgirly the answer to the question is true.                                         1
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