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9 articles trouvés pour ce sujet.
A rectangle and a circle 2017-08-12
Ramzan pose la question :
a diagram shows the shape of rectangular framework with length (2x+20)cm and with (y+10)cm . The outline is made of wire . If a circle with diameter 56 cm is to be made from the wire and the area of the rectangle is 420 square centimeter ,find the possible lengths and width of the rectangle
Penny Nom lui répond.
3rd Grade math problem 2017-05-30
Angela pose la question :
Following is a problem from my 3rd grader's homework assignment:
Solve. Draw a diagram to represent the situation.
Rachel has 20 one-inch beads. She wants to use all of them to make a square picture frame. What will be the length of each side?
Find Perimeter, Area, and Side Length

Penny Nom lui répond.
An octagonal frame around a pool 2015-05-17
James pose la question :
I have a 20' pool and need to put a frame around it using 2by 4 what r the lengths and angle cuts
Penny Nom lui répond.
A square frame 2014-01-01
steve pose la question :
using 6" wide boards how many inches would each of 4 boards equal in length need to be to produce a square with an inside perimeter of 84 inches on a side? what is the exterior perimeter? There is to be 45 degree cuts at each end of each board. What formula is used to make this calculation?
Harley Weston lui répond.
A picture in a frame 2012-01-10
nnadozie pose la question :
a picture, which measures 46cm by 38cm, is surrounded by a frame, which is 2cm wide, find the area of the frame.
Penny Nom lui répond.
The width of a picture frame 2010-04-28
Daniel pose la question :
The frame of a picture is 28 cm by 32 cm outside and is of uniform width. What is the width of the frame if 200 cm ^2 shows?
Penny Nom lui répond.
A circular photo in an octagonal frame 2010-01-13
Mike pose la question :
I have a circle photo 18 and one quarter inches round. I want to cut frame for it in a octagon shape. What would the angle and the length of cut be?

Robert Dawson lui répond.
An octagon shaped bed frame 2003-11-23
Trish pose la question :
My son and I are making an octagon shaped bed frame. We are going nuts trying to figure out what angle to cut the boards to make an outline of an octagon. It seems that the 8 inside angles of the 8 "corners" are 120*, but what is the angle that the 2x6 wood should be cut so that they will angle together to form the outline of the octagon?
Penny Nom lui répond.
Dimensions of a frame 2001-10-16
Rachel pose la question :
A rectangular picture frame has a perimiter of 44.2 cm.The width of the frame is seven tenths of its length what are the dimensions of the frame?
Penny Nom lui répond.



Centrale des maths reçoit une aide financière de l’Université de Regina et de The Pacific Institute for the Mathematical Sciences.



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