For the following questions answer them individually
Angle between the internal bisectors of two angles of a triangle ∠B and ∠C is 120°, then ∠A is
BE and CF are two medians of ΔABC and G the centroid. FE cuts AG at O. If OG = 2cm, then the length of AO is
Let ABC be an equilateral triangle and AX, BY, CZ be the altitudes. Then the right statement out of the four given responses is
O is the circumcentre of ΔABC, given ∠BAC = 85° and ∠BCA = 55°, find ∠OAC.
The angles of a triangle are in the ratio 2 : 3 : 7. The measure of the smallest angle is
If x sin 60°.tan 30° = sec 60°.cot 45°, then the value of x is
If $$\theta$$=60°then $$\frac{1}{2}\sqrt{1+\sin\theta}+ \frac{1}{2}\sqrt{1-\sin\theta}$$ is equal to
Given that $$1^{2}+2^{2}+3^{2}+.....+10^{2}=385$$ the value of $$2^{2}+4^{2}+6^{2}+....20^{2}=$$
The approx value of $$5\frac{1}{3}+1\frac{2}{9}\times \frac{1}{4}(10+\frac{3}{1-\frac{1}{5}})$$ is
A and B together can dig a trench in 12 days, which A alone can dig in 28 days; B alone can dig it in