How many diagonals does a regular 20-gon have? Note: A regular 20-gon is a polygon. It has 20 sides (edges) and 20 angles. All sides have the same length, and all angles are equal in measure.

Q: How many diagonals does a pentagon and decagon?

A:

Q: (1. 6) (3, 1) | (6,1)

A:

Q: In a regular polygon, find the number of sides if the perimeter is 325 and the length of a side is…

A:

Q: The-diagonals-of-a-rectangle-enclose-an-angle-of-measure-78-degree-If-the-perimeter-of-the-rectangle…

A: The-diagonals-of-a-rectangle-enclose-an-angle-of-measure-78-degree-If-the-perimeter-of-the-rectangle…

Q: 6. Andrea loves Geometry so much that she wants her birthday cake this year to be in the shape of a…

A:

Q: Given a triangle whose sides are 10 cm, 24 cm, and 26 cm. Find the perimeter of a smaller triangle…

A: Use the concept of similarity to find the sides of smaller triangle and then find the perimeter of…

Q: r a 10. 6. 11. 4 12. 4V3 13. 14. 12

A:

Q: What is the perimeter of polygon ABCDEF? -5 -3 -2 -1 4. -1 D.

A:

Q: 6x

A: By using regular polygon property, we calculate the value of 'x'.

Q: What is the difference between Polylines and Polygons?

A: *to find:- difference between Polyline & Polygon.

Q: How many diagonals does a hexagon have? (Note: A hexagon is a 6-sided / 6-corner polygon shape and a…

A:

Q: 10. What is the perimeter of the polygon in the following image? (-4, 5.5) (7, 5.5) 10 (-1, -3) (10,…

A:

Q: When the diagonals of a tetradecagon are drawn, how many triangles are formed? 10 12 13 14

A: Number of triangles formed by diagonals of a polygon = n-2  where n= the number of sides of polygon.…

Q: P. A parallelogram with an area of 6x 2-7x-5 square units has a base 3x-5 units. Determine the…

A: Given: Area of parallelogram=A=6x2-7x-5 square units Length of base=B=3x-5 units To determine: The…

Q: Let three vertices of a triangle be ?(4, 0, 1), ?(1, 5, 2), and ?(−4, 1, −3). What is the area of…

A:

Q: is 2 cm , 7 cm , and 4cm a unique or more than one triangle?

A:

Q: The hypotenuse of a 30 - 60 - 90 triangle is 13 cm. What is the area of this triangle in cm2?

A:

Q: A portion of a regular polygon is shown above. 180

A: Each interior angle of polygon =180(n-2)/n n is the number of sides.

Q: Determine the perimeter of the polygon in the following image. A B D C

A: Given query is to find perimeter of the polygon ABCD.

Q: You cut a rope into two pieces. With one piece, you make an equilateral triangle, and with the…

A: Let the total length of the rope is 20 m. Let the length cut for the square be x. Therefore, the…

Q: Suppose you wanted to draw a quadrilateral using the dots below as vertices (corners). The dots are…

A: Given information The dots are spaced one unit apart horizontally and two units apart vertically.…

Q: The total number of sides of the two polygons is 15, and the sum of the number of their diagonals of…

A: Let's find.

Q: If the perimeter of a pentagon is 2m then what is the width

A: Perimeter of a Pentagon = 2m Width of the pentagon = ?

Q: 5.) The diagonal of a square signboard is 8V2 meters. Find the area of the signboard?

A: Area of square A=a2 diagonal , d=2 a⇒a=d2A=a2=d22=d22

Q: Find the perimeter of a regular polygon if its apothem measures 8 inches the number of its diagonals…

A: