Question

ABCD is a rectangle.If AB=5cm and BC=12cm,find the diagonalBD

Answer 1

Answer:

I think that answer is 13 cm

Step-by-step explanation:

5^2 =25

12^2 = 144

144 + 25 = 169

√169 = 13

Answer 2

Answer:

follow step by step

Step-by-step explanation:

use Pythagoras theorem

5×5+12×12=x2

25+144=x2

169=x2

√169=x

x=13

diagonal BD is 13