Question

from a point in the interior of an equilateral triangle, perpendicular drawn on the three sides . they are of length 10cm, 12cm and 18cm. find the area of the triangle.

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Answer 1

Answer:        Area of triangle 300 root 3 sq.cm

∆ABC is an equilateral triangle.

Let ABC be equilateral triangle of side 'a' cm.

 

Let P be a point in the interior of the ∆ABC. so PQ⊥BC, PR⊥CA and PS⊥AB

 

So PS = 14 cm, PQ = 10 cm and PR = 6 cm

 

Area of ∆ABC = Area of ∆APB + Area of ∆BPC + Area of ∆CPA

Area of triangle 300 root 3 sq.cm

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Answer 2

Answer:

I hope my answer will helpful for u