Question

If the distance of the point (a, 2) from the origin is 13 units, then the value of a is

Answer 1

Answer:

HEYA

Step-by-step explanation:

DISTANCE =

$\sqrt{ {a }^{2} + 4} \: = 13 \\ {a }^{2} + 4 = 169 \\ {a}^{2} = 165 \\ a = \sqrt{165} ....$

HOPE THIS WILL HELP YOU A LOT...!!

Answer 2

Answer:

(+3) or (-3)

Step-by-step explanation:

a2+4=root 13

a2=root 13-4

a=root 9

root 9= (+3) or (-3)