Question Text
Question 1 :
How many degrees are there in an angle which equals one-fifth of its supplement?<br>
Question 2 :
If two lines intersect such that four vertical angles are equal, then each angle is:
Question 3 :
Two triangles are ....... if two sides and included angle of one triangle are equal to two sides and included angle of the other triangle.
Question 5 :
A pair of numerical coordinates is required to specify each point in a ......... plane.
Question 9 :
The graph of the equation $y = a$ is a straight line parallel to _____
Question 10 :
Say true or false.<br/>Every solution of the equation is a point on the line representing it.
Question 11 :
The three sides of a triangle are $3cm,4cm$ and $5cm$ respectively; then its area is:
Question 12 :
The sides of a triangle are $4, 5$ and $6$ cm. The area of the triangle is equal to
Question 13 :
The A. M. of n observation is$\displaystyle \bar{x}.$ If the sum of n-4 observations is K, then the mean of remaining observations is
Question 14 :
If the mean of five observations $x, x + 2 , x + 4, x+ 6$ and $x + 8$ is $11$, then the mean of last three observations is