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Q: How many sides do five pentagons and three quadrilaterals have altogether?

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Quadrilaterals are polygons with four sides. Triangles are polygons with three sides.

There are six sides in a hexagon, five in a pentagon, and three in a triangle. So in 2 hexagons, 2 pentagons, and 1 triangle there are 2*6 + 2*5 + 1*3 = 12 + 10 + 3 = 25 sides altogether.

No. A triangle is a polygon and that has three sides. A polygon is any 2-dimensional shape formed with straight lines. Triangles, quadrilaterals, pentagons, and hexagons are all examples of polygons.

A hexagon has six sides, and a nonagon has nine. Three hexagons and three nonagons then have (3 x 6) + (3 x 9) = 18 + 27 = 45 sides altogether.

quadrilaterals have four sides

of course, remembr that quadrilaterals have four sides... .. .. .. .. .. . . .. ...

A heptagon has seven sides, a quadrilateral has four, and a triangle has three. So 4 heptagons, 2 quadrilaterals, and 3 triangles have 4*7 + 2*4 + 3*3 sides = 28 + 8 + 9 sides = 45 sides.

A nonagon has nine sides, and a triangle has three, so altogether they have 12 sides.

A decagon has ten sides, a quadrilateral has four, an octagon has eight, and a triangle has three. So in 1 decagon, 5 quadrilaterals, 5 octagons, and 5 triangles there are 1*10 + 5*4 + 5*8 + 5*3 = 10 + 20 + 40 + 15 = 85 sides altogether.

No. Quadrilaterals have four sides and triangles have only three!

A dodecahedron is a three-dimensional shape with 12 pentagonal sides.

All shapes with three, or more sides are considered a polygon.

By definition. Polygons have three or more sides. Quadrilaterals have four.

Many kites have four sides, like quadrilaterals. However, quadrilaterals are two-dimensional figures; kites are three-dimensional.

No because QUADrilaterals have four sides and TRI angles have three sides. Quad meaning four and tri meaning three

Squares, rectangles, and parallelograms all fall under the category of "quadrilateral" simply because they all have four sides; however, quadrilaterals must also be two-dimensional, and all of its sides must be straight. Squares must have four equilateral sides--with opposite sides parallel to each other-- and each angle must be a right angle (90 degrees). Rectangles are like squares in that each angle must be a right angle, and opposite sides must be parallel, but all four sides need not be equal to each other in length; rather, only opposite sides are equal in length. Parallelograms must have opposite sides that are equal in length and parallel to each other, as well as opposite angles that are equal to each other, but these angles are not right angles. Triangles, pentagons, hexagons, and octagons all fall under the category of "polygon" because they are two-dimensional figures made of straight lines, but do not have four sides like quadrilaterals. Triangles must have three sides and three angles that add up to 180 degrees. Pentagons have five sides, hexagons have six sides, and octagons have eight sides.

A triangle has three sides, so six triangles have 6 * 3 = 18 sides altogether.

Jasmine drew 2 pentagons Compare the 2 pentagons that Jasmine drew. Tell how they are alike, and identify three ways that they are different.

A decagon has ten sides and a triangle has three, so 5 decagons and 4 triangles have (5*10)+(4*3) = 62 sides altogether.

A right pentagonal prism.

An octagon has eight sides, so three octagons altogether have 8 * 3 = 24 sides.

There are ten sides in a decagon and three sides in a triangle. So in 3 decagons and 5 triangles there are 3*10 + 5*3 = 30 + 15 = 45 sides altogether.

No. A triangle is a 3-sided figure and a quadrilateral is a 4-sided one. Are all triangles quadrilaterals? No. None of them are. no because they only have three sides

A polygon is any figure that can be subdivided into triangles, which means that it has to have straight sides. A quadrilateral has straight sides, but exactly four of them. Squares, rectangles, parallelograms are all quadrilaterals and polygons.A polygon has 3 or more sides whereas quadrilaterals are 4 sided polygons

Pentagons are a type of polygon. A polygon is a flat, closed, geometric shape that has at least three sides.