SOLUTION: The perimeter of a rectangle is 84cm. Its shortest side has a length of 3cm. State the length of the longest side.

Question 1155172: The perimeter of a rectangle is 84cm.
Its shortest side has a length of 3cm.
State the length of the longest side.

Found 2 solutions by mananth, MathTherapy:
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
perimeter of rectangle = 2l +2w
2L+2W =84
w=3
2L+6=84
2L =84-16
2L =68
l = 68/2
l=34
Answer by MathTherapy(10552) (Show Source): You can put this solution on YOUR website!

The perimeter of a rectangle is 84cm.
Its shortest side has a length of 3cm.
State the length of the longest side.

Correct answer:
RELATED QUESTIONS
A triangle has side lengths in the ratio 3 : 4 : 5. If the perimeter of the triangle is... (answered by jim_thompson5910)
A triangle has sides 3cm, 5cm and 7 cm. The longest side of a similar triangle is 12 cm.... (answered by ikleyn)
A triangle has sides 3cm, 5cm and 7 cm. The longest side of a similar triangle is 12 cm.... (answered by Shin123,ikleyn,MathTherapy)
A triangle has a perimeter of 46 cm. The longest side is twice as long as the shortest... (answered by solver91311,jackiewalker123,Alan3354)
a trinagle has a perimeter of 46cm. The longest is twice as long as the shortest side.... (answered by scott8148)
The ratio of the perimeter of a rectangle to its longest side is 10 : 3. The perimeter is (answered by ewatrrr)
A triangle has a perimeter of 24 inches. The medium side is 3 more than the short... (answered by ikleyn)
A triangle has a perimeter of 23 inches. The medium side is 5 more than the short... (answered by josgarithmetic,greenestamps,ikleyn)
A triangle has a perimeter of 84cm. Each of the two longer sides of the triangle is three (answered by tasmart)