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Each vertex (corner) has a diagonal with each other vertex. Your best bet is to draw a septagon and count them (clue: it's less than 343 but more than 7)
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∙ 13y ago
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How many diagonal lines are there in a heptagon?
A heptagon has 4 diagonal lines and 7 sides and it has 2 congruent diagonal lines and 2 congruent triangles
How many diagonal sides does a rectangle have?
A diagonal cannot be a side of a rectangle, and a side cannot be a diagonal.
How many diagonal sides does a dodecahedron have?
it has 54 diaganal sides
If a square has sides which are 2 inches how many inches is the length of the diagonal?
A square with 2-inch sides has a diagonal of: 2.828 inches.
What is the diagonal of 7' and 10'?
The diagonal of a rectangle with sides measuring 7 feet and 10 feet can be calculated using the Pythagorean theorem. The square of the diagonal is equal to the sum of the squares of the two sides, so in this case, the diagonal would be √(7^2 + 10^2) = √(49 + 100) = √149 = approximately 12.21 feet.
Do parallelograms have diagonal sides?
A parallelogram is anything from a square to a rectangle. As long as it has parallel sides, then it is a parallelogram. If you're thinking of a rhombus, then it has diagonal sides.
How many numberes of diagonal sides does an octagon have?
0.5*(64-24) = 20 diagonals
How do you calculate the sides of a parallelogram given the height and longer diagonal?
The height and longer diagonal do not provide enough information to calculate the sides.
How many sides does a a heptagon have?
It has 7 sides
How long is the diagonal in a rectangle if the sides are a and b?
if the sides are 'a' and 'b' then you can call the diagonal 'c'. all you have to do is a2 + b2 = c2. once you fin out what 'a2 + b2' is just root it and you will have 'c', your diagonal.
How many diagonal in a heptagon?
12 * * * * * Not so. A polygon with n sides has 1/2*n*(n - 3) diagonals. In this case, n = 7 and so there are 14 diagonals.
A heptagon has how many sides?
heptagons have 7 sides
