answersLogoWhite

0


Best Answer

A pentagon has five sides, and a decagon has ten sides. So 3 pentagons and 5 decagons have (35)+(510) = 65 sides altogether

User Avatar

Wiki User

7y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: How many sides do 5 decagons and 3 pentagons have altogether?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

How many sides do 4 decagons 5 dodecagons and 3 pentagons have altogether?

A decagon has 10 sides, a dodecagon 12, and a pentagon 5. So 4 decagons, 5 dodecagons, and 3 pentagons have 4*10 + 5*12 + 3*5 sides = 40 + 60 + 15 = 115 sides altogether.


How many sides do 4 decagons 2 nonagons and 2 pentagons have altogether?

Each decagon has 10 sides, each nonagon has 9 sides and each pentagon has 5 sides. 4 decagons make 40 sides, 2 nonagons make 18 sides and 2 pentagons make 10 sides. When you add them all up together, you get 68 sides in total.


How many sides do 4 dodecagons 3 pentagons and 2 decagons have in all?

There are 12 sides in a dodecagon, 5 in a pentagon, and 10 in a decagon. So in 4 dodecagons, 3 pentagons, and 2 decagons there are 4*12 + 3*5 + 2*10 = 48 + 15 + 20 = 83 sides altogether.


How many sides do 5 decagons and 4 triangles have altogether?

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


How many sides do 3 decagons and 5 triangles have altogether?

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.


How many sides do 2 pentagons and 5 decagons have in all?

There are (2*5) plus (5*10) = 60 sides


How many sides do 3 decagons and 5 octagons have altogether?

A decagon has ten sides and an octagon has eight, so in 3 decagons and 5 octagons there are (3*10)+(5*8) = 30 + 40 = 70 sides altogether.


How many sides do 3 quadrilaterals and 5 pentagons have altogether?

37 sides


How many sides do 2 quadrilaterals and 3 pentagons have altogether?

A quadrilateral has four sides and a pentagon has five. So 2 quadrilaterals and 3 pentagons have 2x4 +3x5 sides = 8 + 15 = 23 sides altogether.


How many sides do 4 decagons and 1 quadrilateral have altogether?

4 decagons = 4*10 = 40 sides 1 quadrilateral = 4 sides Total 40+4 = 44 sides.


How many sides do 4 decagons and 5 hexagons have altogether?

A decagon has 10 sides, and a hexagon has 6. So in 4 decagons and 5 hexagons there are (4*10)+(5*6) = 70 sides


How many sides do 2 pentagons and 1 quadrilateral have altogether?

A pentagon has fives sides, and a quadrilateral has four. So 2 pentagons and 1 quadrilateral have 2*5 + 4 = 10 + 4 = 14 sides altogether.