Question

A square of side 9 cm is to be cut and joined with another square
to make a large square of area 117 sq cm .What should be
the side of second square?​

Answer 1

Answer:

6 cm

Step-by-step explanation:

let call the side length of the second square x

the total area of the large square is 117sq CM

9^2+x^2=117

81+x^2=117

x^2=117-81

x^2=36

x=6

so the side length of the second square is 6cm