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What is the area of a regular nonagon having a perimeter of 81cm?
Wiki User
∙ 6y ago
The regular nonagon will have 9 congruent isosceles triangles each with two equal sides of 13.1571198cm and two equal angles of 70 degrees with a base of 9cm opposite apex angle of 40 degrees.
Area of triangle: 0.5*13.1571198^2 *sin(40)*9 = 500.7277596 square cm
Wiki User
∙ 6y ago
Anonymous
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What is the perimeter of a square whose area is 81cm?
if you have a picture you could count around the square
How many inches equal 81Cm?
1 Inch equals 2.54cm, so 81cm would do 31.89 inches
What is 81cm in feet?
2.657 feet.
What is the circumference of a 81 cm?
The circumference = 2 x r x pi If your diamter is 81cm then your circumference is 254.5cm If your radius is 81cm then your circumference is 508.9cm
What is the length of a squares diagonal with an area of 81cm squared?
Approximately 12.73cm
What is the perimeter of 9cm x 9cm?
it is 81cm
What is the perimeter of a square whose area is 81cm?
if you have a picture you could count around the square
What is the perimeter of a square if the area is 81cm square?
If the area of a square is 81, then the length of a side is 9. Add up the length of all four sides to get the perimeter: 9 + 9 + 9 + 9
How many inches equal 81Cm?
1 Inch equals 2.54cm, so 81cm would do 31.89 inches
What is 81cm in feet?
2.657 feet.
What is the circumference of a 81 cm?
The circumference = 2 x r x pi If your diamter is 81cm then your circumference is 254.5cm If your radius is 81cm then your circumference is 508.9cm
What is the length of a squares diagonal with an area of 81cm squared?
Approximately 12.73cm
How many ML are in a 81CM?
cm is length, ml is cm3 which is 3 dimensional. you cannot compare length with volume
How high can an average person jump?
im not too sure if im average but i jumped 70cm from a standstill and 81cm with a running start
How do you add 12meters plus 15meters plus 81cm plus 65cm?
1200 + 1500 + 81 + 65 = 2846 cm = 28 m, 46 cm
How many people can fit into 1.4 km?
Well let say the average person in 81cm wide (32 in), and 1.4km is 140 000cm140 000/81=1728 people
What is 69cmx51cm converted into inches?
69 cm x 51 cm = 27.16 inches x 20.08 inches
