Question

SQUAREROOT OF 225 + SQUARE ROOT OF 361

CAN ANYONE EXPLAIN?
I KNOW THE ANSWER
ANY SHORTCUT METHODS??

Answer 1

I just memorize the roots till up to 20..=/ That'd be helpful.. o_o

Answer 2

Yep, no mathematical shortcuts unfortunately, just have to work out the square roots first.

Answer 3

OK THANKS :D

Answer 4

I M NOT THAT GOOD IN MEMORIZING :(

Answer 5

1^2=1
2^2=4
3^2=9
4^2=16
5^2=25
6^2=36
7^2=49
8^2=64
9^2=81
10^2=100
11^2=121
12^2=144
13^2=169
14^2=196
15^2=225
16^2=256
17^2=289
18^2=324
19^2=361
20^2=400

: Memorize this ... It will help u a lot..