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
The angles of a triangle are in the ratio 2 : 3 : 7. The measure of the smallest angle 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
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