Mary wants to make a box. She starts with a piece of cardboard whose length is 15 centimeters and width is 10 centimeters. Then she cuts 4 congruent squares with sides of 3 centimeters at the four corners and folded at the broken lines to make the box. What is the volume of the box?
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Answer:
180
Step-by-step explanation:
Answered by
1
The volume of the box is 108cm³.
Given:
L =15cm and B=10cm
To Find:
The volume of the box
Solution:
When Mary cuts 4 congruent squares with a side of 3 cm at each corner.
From the diagram,
The New length(l1) = 15 -3-3 = 9cm.
The New width(b1) = 10-3-3= 4cm.
Height(h) = the side of the congruent square = 3cm.
The volume of the box = l1×b1×h
= 9×4×3
=9×12
=108 cm³.
Therefore, The volume of the box is 108cm³.
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