The radius of a circle is 7m , find its area in terms of π
2 answers:
Answer:
49π
Step-by-step explanation:
A = π
A = π
A = 49π
For the one you put in the comment...
The radius of a circle is 19cm find its area in terms of π
A = π
A = π 1
A = 361π
For the other one you put in the comment
The radius of a circle is 4 cm find its area in terms of π
A = π
A = π
A = 16π
For the other one you put in the comment
The radius of a circle is 20 cm find its area in terms of π
A = π
A = π
A = 400π
Hope this helped!
Have a supercalifragilisticexpialidocious day!
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Answer:
i. 9
ii. 14
iii. 405
iv.
Step-by-step explanation:
The number of diagonals in a polygon of n sides can be determined by:
where n is the number of its sides.
i. For a hexagon which has 6 sides,
number of diagonals =
=
= 9
The number of diagonals in a hexagon is 9.
ii. For a heptagon which has 7 sides,
number of diagonals =
=
= 14
The number of diagonals in a heptagon is 14.
iii. For a 30-gon;
number of diagonals =
=
= 405
The number of diagonals in a 30-gon is 405.
iv. For a n-gon,
number of diagonals =
The number of diagonals in a n-gon is