Question

the perimeter of a rectangle is 46 m and its length is 15m find its breath,area and diagonal

Answer 1

1)P=2(l+b)
46cm=2(15+b)
46cm=30+2b
(46-30)cm=2b
16cm=2b
8cm=breadth

2)Area =l×b
15×8
120cm=Area of rectangle

3)Diagonal
H²=P²+b²
H²=(15)²+(8)²
H²=289
H=17cm
Diagonal =17cm

Answer 2

Perimeter of a rectangle = 46m

2(length+breadth) =46

2(15+breadth) =46

15+breadth=46/2

15+breadth=23

Breadth= 23-15=8m

. '. area of a rectangle = length*breadth

=15*8

=120m²

Diagonal =√l²+b²

= √15²+8²

=√225+64

=√289

=17m

Hope it helps u