Rectangle - parallelogram

It is given a rectangle that is circumscribed by a circle with a radius of 5 cm. The short side of the rectangle measures 6 cm. Calculate the perimeter of a parallelogram ABCD whose vertices are the midpoints of the sides of the rectangle.

Correct result:

x =  20 cm

Solution:

$x=5\cdot 4=20\text{ cm}$

Try another example

Showing 0 comments:

Next similar math problems:

• Mine
  Wheel in traction tower has a diameter 4 m. How many meters will perform an elevator cabin if wheel rotates in the same direction 89 times?
• Apples 2
  How many apples were originally on the tree, if the first day fell one third, the second day quarter of the rest and on tree remained 45 apples?
• Circle
  What is the radius of the circle whose perimeter is 6 cm?
• Buttons
  Shirt has 6 buttons, blouse has 4 buttons. All buttons are 176. Shirts and blouses are together 36. How many are the shirts and blouses?
• Wheel
  Diameter of motocycle wheel is 52 cm. How many times rotates wheel on roand long 2 km?
• Football league
  In the 2nd football league plays each of the 16 participants with each opponent twice. For every victory gets 3 points, 1 point for a draw, a defeat none. After the competition was team with 54 points and 12 defeats at 9th place. How many times have won?
• Flowerbed
  In the park there is a large circular flowerbed with a diameter of 12 m. Jakub circulated him ten times and the smaller Vojtoseven times. How many meters each went by and how many meters did Jakub run more than Vojta?
• Velocipede
  The front wheel of velocipede from year 1880 had a diameter 1.8 m. If the front wheel turned again one then rear wheel 6 times. What was the diameter of the rear wheel?
• Pages of book
  Lenka calculated that if every day to read 16 pages of the book, read a book a day earlier than had read only 14 pages a day. How many pages has this book?
• Umbrella
  Can umbrella 75 cm long fit into a box of fruit? The box has dimensions of 390 mm and 510 mm.
• Let x
  Let x represent one quantity. State what that quantity represents. Express the second quantity in terms of x. The length of the rectangle is 4 inches less than 8 times the width.
• Bridge
  The bridge arc has a span 34 m and height 3 m. Calculate the radius of the circle arc of this bridge.
• Equator
  Suppose that tourist went on foot over the Globe equator. How many meters more track made ​​his hat on his head as the shoes on your feet? The radius of the earth is 6378 km and height of the tourist is 1.7 m.
• Circle r,D
  Calculate the diameter and radius of the circle if it has length 26.59 cm.
• Circumscription
  Calculate radius of the Circumscribed circle in the rectangle with sides 20 and 19. It can be rectangle inscribed by circle?
• Wheels
  Small tractor wheel with a diameter of 60 cm must be rotated 8 times to overcome some pathway. How many times must turn the big tractor wheel with a radius 60 cm to overcome the same distance?
• Saw
  Imagine that the saw blade with diameter 40 cm has one tooth colored with a different color. How long is path describing by the tip of the tooth after 15 minutes, if the blade is rotated 13365 times?