Question

1. The rational number representing point P on the number line is P + -2 0 2. a) 0/4 b) 4 c) -3/4 d) -3 3 2. The reciprocal of is 5 a) 3/5 b) 5/3 c) -5/3 d) 1 3. The area of circle with radius 7cm is a) 164 cm b) 184 cm? c)154cm? d) 44 cm? 4. The coefficient of x in 3xy2 is a) 1 b) 3 c) y d) 3y2​

Answer 1

Answer:

Step-by-step explanation:

Ans. No, if we take a positive integer, say 4 its square root is 2, which is a rational number.

          REMEMBER

          According to the Pythagoras theorem, in a right-angled triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides.

          In the figure:

          OB2 = OA2 + AB2