plz answer with full proces
Answers
Answer:
2. 15cm
3. 379500
4. Shipra covers less distance
5.13.6km
Step-by-step explanation:
2. Let the 3rd side be x
a=10cm
b=15cm
c=x
Perimeter=40cm
Perimeter=a+b+c
40=10+15+x
40=25+x
40-25=x
15=x
Hence, the third side is 15cm
3. Pentagon has 5 equal sides
side=230m
Perimeter=5s
=5(230)
=1150m
Rate of fencing per metre=₹330 per metre
Total amount for fencing is=1150×330
=379500
Hence, the cost of fencing is ₹3,79,500
4. Distance covered by Laxmi=perimeter of hexagonal park
Hexagon has 6 sides
side=75m
Perimeter=6s
=6(75)
=450
So, distance covered by Laxmi is 450m
Distance covered by Shipra=perimeter of square park
side=100m
Perimeter=4s
=4(100)
=400m
So, the distance covered by Shipra is 400m
Hence, Shipra covers less distance.
5. length=l=1.2km
breadth=b=0.5km
Perimeter=2(l+b)
=2(1.2+0.5)
=2(1.7)
=3.4
So, the perimeter of rectangular land is 3.4km
There are 4 rows of wire
So,
Length of barbed wire needed=4×3.4
=13.6km
Hence, the length of barbed wire needed is 13.6km
In 6th ques, the image is not visible so cant answer that question
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