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If G is the centroid and AD, BE, CF are three medians of ∆ABC with area 78 cm² , then the area of ∆EFG is?
What will be circumradius of a right angle triangle whose base is 9 cm & height is 40 cm ?
The ratio of the angles ∠A and ∠B of a non-square rhombus ABCD is 7:5, then the value of the ∠C is
In an obtuse angle triangle PQR, the external angle bisector of angle P intersect the extended part of line RQ at M and the external angle bisector...
The perimeter of a rectangle is 100 m, and its diagonal is 41 m. Find the area of the rectangle.
Given are three points A(2, 7), B(4, -1), C(- 2, 6) on a plane. What kind of triangle is formed by joining the points A, B, and C? <...
If the perimeter of a square is 40 cm, what is the length of each side?
The sides of a triangle are 24 cm, 26 cm and 10 cm. At each of its vertices, circles of radius 4.2 cm are drawn. What is the area (in cm²) of the t...
AB and AC are two Chords of a circle with centre O. M and N are the mid points of the chords respectively. The line OM and ON are extended which interse...
∆ 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