isabel2001v isabel2001v
  • 12-06-2017
  • Mathematics
contestada

The perimeter of a square is 56 cm. What is the approximate length of its diagonal?

Respuesta :

rbest1217 rbest1217
  • 13-06-2017
Since we know a square has 4 equal sides
and is equal to to exact right triangles.
USing the formula for Perimeter
l+l+w+w=P or 2L+2W=P
56cm÷4=14 so now we have
(2)14+(2)14=P
P=14cm^2
The slant length on a triangle is equal to L
Slant lenght=14

Answer Link
shonuff
shonuff shonuff
  • 16-06-2017
19.8 is the correct answer because d=square root 2P4=square root 2x564≈19.79899cm
Answer Link

Otras preguntas

what is -15x=0 solution
All life can be classified into three domains:__________,________ and ____________
latasha was born in New York, she moved to California and lived there twice as long as she lived in New York . then she moved to Toronto, where she has been liv
A classmate says that 0.285714 repeating  is not a rational number because it does not terminate. Explain her error.   I need help answering this
The fish, dog, and bird are alike in many ways. One way is that they all have — A legs B hair C lungs D backbones
Camille placed blocks on a table in rows and columns. All the rows and columns had the same number of blocks in them and formed a square. Which could be the tot
c+ax=dxthis one has all variables and no numbers
In the City of Ember,  Why would it frighten the children to see Ember's current storerooms?
Solve the system by substitution method X=-4y+4 3x-7y=-7
Lisa had a set of 12 toy cars. Then she gave her sister 3 cars. What fraction of Lisa’s set did Lisa give to her sister?