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∆ ABC is similar to ∆ DEF. If area of ∆ABC is 9 sq.cm and area of ∆DEF is 16 sq.cm and BC = 2.1 cm. Then the length of EF will be

The area of a field in the shape of a hexagon is 2400 √ 3 m²  ? What will be the cost of fencing it at ₹18.50 per metre?

The lengths of three medians in a triangles are 6 cm, 8 cm, 10 cm. What is the area of that traingle (in cm ² )?

In ΔABC, PQ is parallel to BC If AP: PB= 3:2 and AQ= 6 cm, AC is equal to?

The diagonals of a rectangle are inclined to one side of the rectangle at 25°. The acute angle formed between the diagonals is:

Find the distance between two parallel chords of length 24 cm each in a circle of diameter 25 cm?

Find the difference between angle and its complement if the angle is four-fifth of its complement.

In ΔABC, D is a point on BC such that AD bisects ∠A. If BD = 6 cm, DC = 9 cm, find AB/AC.

Let G be the centroid of the equilateral triangle ABC of perimeter 24 cm. Then the length of AG is