MCQ
If the angles of a triangle are in $A.P.$ then the measures of one of the angles in radians is:
  • A
    $\frac{\pi}{6}$
  • $\frac{\pi}{3}$
  • C
    $\frac{\pi}{2}$
  • D
    $\frac{2\pi}{3}$

Answer

Correct option: B.
$\frac{\pi}{3}$
$\frac{\pi}{3}$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

For any three sets A, B and C:
  1. $\text{A}\cap\text{(B} -\text{C)}=\text{(A}\cap\text{B)} - \text{(A}\cap\text{C)}$
  2. $\text{A}\cap\text{(B} -\text{C)}=\text{(A}\cap\text{B)}- \text{C}$
  3. $\text{A}\cup\text{(B} - \text{C)}=\text{(A}\cup\text{B)}\cap\text{(A}\cup\text{C}')$
  4. $\text{A}\cup\text{(B} - \text{C)}=\text{(A}\cup\text{B)}-\text{(A}\cup\text{C}).$
If the line $l_1: 3 y -2 x =3$ is the angular bisector of the lines $l_2: x - y +1=0$ and $l_3: \alpha x +\beta y +17=0$, then $\alpha^2+\beta^2-\alpha-\beta$ is equal to
Let $P (a, b )$ be a point on the parabola $y ^{2}=8 x$ such that the tangent at $P$ passes through the centre of the circle $x ^{2}+ y ^{2}-10 x -14 y +65=0$. Let $A$ be the product of all possible values of $a$ and $B$ be the product of all possible values of $b$. Then the value of $A + B$ is equal to.
If $L=\sin ^{2}\left(\frac{\pi}{16}\right)-\sin ^{2}\left(\frac{\pi}{8}\right)$ and $M=\cos ^{2}\left(\frac{\pi}{16}\right)-\sin ^{2}\left(\frac{\pi}{8}\right),$ then 
The values of k for which the quadratic equation $kx^2 + 1 = kx + 3x - 11x^2$ has real and equal roots are:
If ${^\text{20}}\text{C}_{\text{r}}={^\text{20}}\text{C}_{\text{r-10}}$ is then ${^\text{18}}\text{C}_{\text{r}}$ equal to:
Radius of circle touching $y-$axis at point $P(0,2)$ and circle $x^2 + y^2 = 16$ internally-
An organization awarded $48$ medals in event '$A$',$25$ in event '$B$ ' and $18$ in event ' $C$ '. If these medals went to total $60$ men and only five men got medals in all the three events, then, how many received medals in exactly two of three events?
Circles ${(x + a)^2} + {(y + b)^2} = {a^2}$ and ${(x + \alpha )^2}$ $ + {(y + \beta )^2} = $ ${\beta ^2}$ cut orthogonally, if
The coordinates of the join of trisection of the points $(-2, 3)$, $(3, -1)$ nearer to $(-2, 3)$, is