Those who no these answer kindly tell
Answers
Answer:
cant answer
Step-by-step explanation:
There are no lengths
Answer: area and the perimeter of the garden is 129.5m2&48m
respectively.
Step-by-step explanation: Looking at the question, we know that we are given the breadth of the garden and the length of the garden.
The breadth of the rectangle is equal to the diameter of the semicircle as they share the boundaries.
So, the breadth of the rectangle=the diameter of the semi-circle=7m
=7m
Hence, the radius of the semicircle=72=3.5m
=72=3.5m
The length of the rectangular part of the garden=20−(3.5+3.5)=20−7=13m
=20−(3.5+3.5)=20−7=13m
Area of the rectangular part of the garden=l×b=13m×7m=91m2
=l×b=13m×7m=91m2
We know that if we combine two semi-circles, we get a full circle.
So, the area of the circle with radius 3.5m
3.5m
=πr2=227×(3.5)2=227×3.5×3.5=22×3.5×0.5=38.5m2
=πr2=227×(3.5)2=227×3.5×3.5=22×3.5×0.5=38.5m2
Perimeter of the circular part=2πr=2×227×3.5=2×22×0.5=22m
=2πr=2×227×3.5=2×22×0.5=22m
Therefore, the perimeter of the garden
=the sum of the perimeter of both the semicircles and the length of the rectangle on both sides
=the sum of the perimeter of the circle and the length of the rectangle on both sides
=22+13×2=22+26=48m
=22+13×2=22+26=48m
The area of the garden= the sum of the area of the rectangle and the area of the semicircles
= the sum of the area of the rectangle and the area of the circle
=38.5+91=129.5m2
=38.5+91=129.5m2
Therefore, the area and the perimeter of the garden is 129.5m2&48m
respectively.