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The correct answer is B
∆ 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 length of the each side of an equilateral triangle is 42√3. The area of incircle, (cm 2 ) is
If in a ΔABC, D is a point on BC such that BD = 2 cm , BC = 6 cm then what is ratio of area of ΔABD to area of ΔADC ?
If median AD of an equilateral ∆ABC is 24 cm and G is centroid. Find AG?
Determine the difference between an angle and its complementary angle, given that the angle is two-thirds of its complement.
One chord of a circle is given as 21.5 cm. Then the radius (r) of the circle must be:
In the figure BD = CD = AC, ∠ ABC = 27 ° , ∠ ACD = y. Find value of x.
Let A, B, and C be the mid-points of sides PQ, and QR PR, respectively, of ΔPQR. If the area of ΔPQR is 64cm², then find the area of ΔABC.
...If O is circumcentre of acute angled triangle ABC, if ∠ BOC = 100˚ then ∠ BAC = ?