Question

6. Express these verbal expressions aa alebric expression
(i) 5 more than 3 times p
(ii) 1 less than 6 times n​

Answer 1

Answer:

Answer:

Length of the boundary = Perimeter of a semicircle

∴(π+2)r=36m=(

7

22

+2)×r=36

(

7

22+14

)×r=36m=

7

36

×r=36⇒r=7m

Area of the park = Area of the semicircle

A=

2

πr

2

sq. units =

7

22

×

2

7×7Answer:

Length of the boundary = Perimeter of a semicircle

∴(π+2)r=36m=(

7

22

+2)×r=36

(

7

22+14

)×r=36m=

7

36

×r=36⇒r=7m

Area of the park = Area of the semicircle

A=

2

πr

2

sq. units =

7

22

×

2

7×7

=77m

2

∴ Area of the park = 77 m

2

.

=77m

2

∴ Area of the park = 77 m

2

.