Question

please help me full explained ​

Answer 1

Answer:

area=195, perimeter=56

Step-by-step explanation:

area= l × w

area = 13×15

=195m

perimeter = 2(l + b)

=2 (13 + 15)

=56m

Hope it helps!

Answer 2

Step-by-step explanation:

Area of the carpet:

15m = 1500 cm

13m = 1300m

Length of carpet = 1500 - (50 + 50) = 1500 - 100 = 1400 cm

Breadth of the carpet = 1300 - (50 + 50) = 1300 - 100 = 1200 cm

$area \: of \: carpet = l \times b$

$= (1400 \times 1200) {cm}^{2}$

$= 1680000 \: {cm}^{2} = 168 \: {m}^{2}$

Perimeter of the carpet:

${(side)}^{2} = 168 \: {m}^{2}$

$side = \sqrt{168{m}^2}$

$side = \sqrt{168}m$

$perimeter = 4 \times side$

$perimeter = 4 \sqrt{168}m$

I am not sure about perimeter check your textbook answer once for perimeter