Question

Q7. Find the perimeter of the rectangle whose length is 60 cm and a diagonal is
61cm​

Answer 1

Step-by-step explanation:

by Phythogorous theorom

as all angles of rectangle measure 90°

here the Hypotonious is the diagonal 61cm

61^2=60^2+x^2

3721=3600+x^2

121=x^2

√121=x

11=x

breadth is 11cm

perim is 2*(60+11)

2*71

=142cm

hope this is helpful