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

Find each sum or difference? Do u just work the problem out and put the answer down?
Air pollution affects everyone equally. True or false?
Which is an advantage that single-celled organisms have over multicellular organisms?
Are pansies monocots or dicots?
The ordered pairs (0, -2), (1, 1), (2, 4), (3, 7), and (4, 10) represent a function.  What is a rule that represents this function?
EDIE WANTED TO SUBTRACT 273-188. SHE BEGAN BY FINDING 2-1. WHAT DID EDIE DO WRONG.
18x-(8x-7)=67 what does 'x' equal in this equation?
Going into a recent election, only about 62% of people old enough to vote were registered. In a community of about 55,200 eligible voters, how many people were
Write the word form and tell the value of the underlined digit. 9,000,009 the first 9 is underlined
A grocery store receipt shows 5% state tax due on laundry detergent and a flower bouquet. Does it matter whether the tax is calculated on each separate item o