{5% of (20 × 25) + 6% of (30 ×35)} ÷ 11 =

If in a ΔABC, AD is internal angle bisector & D is a point on BC, AB = 7 cm, BC = 9cm then what is BD:CD?

In the given figure. ‘O' is the centre of the circle and ∠BCA = 50°. The value of ∠BDA is:

∆ABC and ∆DEF are similar and their areas are respectively 49cm² and 64cm ² . If EF = 12 cm BC is?

If I is the incentre of ΔABC , if  ∠ BAC = 75⁰ , then what is the measure of  ∠ BIC?

If G is the centroid and AD, BE, CF are three medians of ∆ABC with area 96 cm² , then the area of ∆EFG is?

In ∆ABC , G is the centroid , AB = 8 cm, BC= 12 cm and AC = 14 cm , find GD, where D is the mid-point of BC?

If in a ΔABC, D is a point on BC such that BD = 5cm , BC = 9 cm then what is ratio of area of ΔABD to area of ΔADC ?

If I is the incentre of ΔABC , if  ∠ BIC = 112.5^°  , then what is the measure of  ∠ BAC?

The length of the each side of an equilateral triangle is 28√3 cm . The area of circumcircle, (cm ² ) is