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What is the area of a regular decagon with an

The area of a regular decagon is 50cm2. What is the area of a regular decagon with sides four times the sides of the smaller
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2. asked by Matt
3. 1,718 views
A regular decagon(12 sides) in inscribed in a circle with the radius r. The decagon has an area of108 in^2. What is the radius
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2. asked by Kristina
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A regular decagon(12 sides) in inscribed in a circle with the radius r. The decagon has an area of108 in^2. What is the radius
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2. asked by Kristina
3. 559 views
A decagon has 10 sides. One angle of a regular decagon measures (8w + 17)°. Determine the value of w. Round to the nearest
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2. 55 views
What is the sum of the measures of the angles of a regular decagon? What is the measure of each angle in the decagon?1,620°;
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2. asked by i will pay
3. 1,112 views
How big is each interior angle in a regular decagon? would this be 4.4 (144/10)?How big is each exterior angle of a regular
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2. asked by Tyler
3. 598 views
Given the regular decagon what is the measure of each numbered angle? There is a one in the first triangle, a three in the
1. 3 answers
2. asked by Carly
3. 2,711 views
Find the area of the regular decagon if the apothem is 5 in. and a side is 3.2 in. Round to the nearest whole number.160 in2 40
1. 1 answer
2. 28 views
The area of a decagon is 600 ft2. If the dimensions are reduced by a factor of 4, what is the area of the smaller decagon?
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2. asked by Anonymous
3. 411 views
give a decagon( 12 sides) with a circle inscribed that has a radius of 25. find the area of the decagon
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2. asked by edward
3. 126 views