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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
Two chords AB and CD intersect each other at point 'P' (inside the circle) . If CP = 12 cm, DP = 15 cm and AP = 20 cm, then find BP.
If G is the centroid and AD, BE, CF are three medians of ∆ABC with area 60 cm² , then the area of ∆EFG is?
In the given figure, O is centre of the circle. Circle has 3 tangents. If ∠ QPR = 45 0 , then what is the value (in degrees) of ∠ QOR ?
In a quadrilateral PQRS, the bisectors of ∠R and ∠S intersects each other at point 'O'. Find the ∠Q if ∠P = 75o and ∠ROS = 95...
The lengths of three medians in a triangles are 9 cm, 12 cm, 15 cm. What is the area of that traingle (in cm 2 )?
In a ΔABC, the internal bisectors of ∠B and ∠C meet at point O. Find the measure of ∠BOC if the measure of ∠BAC = 50 ° .
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