Latika wants to put a border around herbedsheet of length 10 m and bre

1.	Latika wants to put a border around herbedsheet of length 10 m and breadth5 m 60 cm. Find the total cost of the borderrequired at the rate of 90 per metre.(A) 2808(C) 2408(B) 2505(D) 2605
Answer» perimeter = 2×(l+b) =2×(10m+5m 60cm) =2×(15m 60cm) =2×(1500cm+60cm) =2×(1560cm) =3120cm change into meter: 31.2m cost of border per meter = Rs.90 cost of border 31.2m = Rs.31.2 × 90 = Rs2808 thanks

Latika wants to put a border around herbedsheet of length 10 m and breadth5 m 60 cm. Find the total cost of the borderrequired at the rate of 90 per metre.(A) 2808(C) 2408(B) 2505(D) 2605

Answer»

perimeter = 2×(l+b)

=2×(10m+5m 60cm)

=2×(15m 60cm)

=2×(1500cm+60cm)

=2×(1560cm)

=3120cm

change into meter: 31.2m

cost of border per meter = Rs.90

cost of border 31.2m = Rs.31.2 × 90

= Rs2808

thanks