Questions on Geometry: Polygons answered by real tutors!

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Question 403301: Robert has a rectangular garden that is currently 195 ft^2 and has the perimeter of 56 ft. He wants to increase the size of his garden by 4 ft in both directions. What will be the area of his expanded garden?
Click here to see answer by ankor@dixie-net.com(15746)

Question 404509: Find the area of an equilateral triangle
6-inch radius
A = sq. in.
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Question 405698: a regular n-gon has exterior angles measuring 24 degrees. what is n?
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Question 405814: The sum of the interior angle measures of a convex polygon is 1980 degrees . How many sides does it have?
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Question 405814: The sum of the interior angle measures of a convex polygon is 1980 degrees . How many sides does it have?
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Question 406772: Find the number of diagonals for a polygon with N sides. IF N=55
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Question 406771: Find the number of diagonals for a polygon with N sides. IF N= 20
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Question 406956: Find the measure of each exterior angle of a 102-gon.
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Question 406979: what is the sum of the angles in a 516-gon?
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Question 407105: Find the number of diagonals for a polygon with N sides. If N=43
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Question 406955: If the measure of each interior angle of a regular polygon is 176 find the number of sides of the polygon.
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Question 407762: hi, i'm struggling with how to find the perimeter of a regular polygon when given only the area and the apothem. I know that the perimeter of a regular polygon is P=sn s=side length and n=number of sides.
thank you in advance
Click here to see answer by jamaalprof(6)

Question 408113: I have 5 sides.
I have 5 vertices.
I look like the shape of a house.
Click here to see answer by MathLover1(6812)

Question 408195: The measure of an interior angle of a regular polygon is three (3) times the measure of the exterior angle. How many sides does the polygon have? Is there a formula or something that needs to be used?
Click here to see answer by richard1234(5390)

Question 410053: if the measure of one interior angle of a regular polygon is 108 degrees, how many sides does the polygon have?
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Question 410597: If the sum of the vertex angles of a polygon is 540 degres, than it is called what?
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Question 414390: Find the area of polygon ABCD if the coordinates of the vertices are A(5,-1), B(9,2), C(9,9), and D(0,5).
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Question 414436: the measure of an interior angle or a fegulp polygon is given find the measure or find the number of side in each polygon if it 168

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Question 415020: the regular hexagon below has a perimeter of 48 inches, find the altitude
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Question 416509: How do you find the measures of interior angles on a pentagon?
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Question 418949: the sum of the measures of the interior angles of a convex polygon is 1980. how many sides does the polygon have?
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Question 418949: the sum of the measures of the interior angles of a convex polygon is 1980. how many sides does the polygon have?
Click here to see answer by shree840(260)

Question 419709: How do you find the center point of an irrregular polygon.?
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Question 420051: How many diagonals does a 101-sided convex polygon have than a 100-sided convex polygon?
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Question 421893: I am having trouble with the algebra of this problem. If every angle of a regular polygon is 144 degrees how many sides does the polygon have. Using the formula
144 = 180(n-2)
________
n
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Question 422609: what is: 4^2+b^2=6^2
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Question 423495: Find Area of a pentagon with radius 9cm
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Question 423918: The measure of each interior angle of a regular polygon is 3 times larger than each exterior angle. How many sides does this polygon have
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Question 425263: The widths of two similar rectangles are 16 and 14. What is the ratio of the perimeters? Of the areas?
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Question 425249: What are the formulas to ALL polygons?
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Question 427386: find the value of x of thes triangles
big tiangle 20 in and 12 in small triangle 6in and x what is the value of x ?
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Question 426993: The sum of the interior angles of a polygon is 540°. How many sides does this polygon have?
Click here to see answer by gwendolyn(128)

Question 428067: how many diagonals does a 34-gon have?
Click here to see answer by nerdybill(7008)

Question 428607: a regular decagon with a perimeter of 70ft. find the area.round to the nearest tenth
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Question 428819: The outside perimeter of the pentagon buliding measured about one mile. What is the lenght of each side?
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Question 428259: A parallelogram has an area of 84 square centimeters and a base that is 5 centimeters longer than the height. Find the height.
Click here to see answer by kittycat1613(12)

Question 429042: Find the area of the regular polygons. Give the answer to the nearest tenth. Pentagon with side 10cm.

The area of a regular hexagon is 36in squared. Find the length of a side. ROUnd your answer to the nearest tenth.
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Question 430234: What is the largest exterior angle that any regular polygon can have?
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Question 431467: find the sum of a 32 angle
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Question 431471: Find the comlement of a 32 angle
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Question 431691: how many sides does a regular polygon have if each exterior angle measures 36?
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Question 432141: How do you find the area of a regular polygon if you only have the apothem.
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Question 432293: if each angle of a regular polygon is 135 degrees, how many sides does the polygon have?
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Question 433415: the perimeter is 47, one length is x+4 another one is x+5 the other 3x-2 and the last x^2-2x
Click here to see answer by jorel1380(2518)

Question 433826: if a polygon has one side, how many angles does it have?
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Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710