a square sheet of paper measures 40 cm. a strip 5 cm. wide is cut off from it all around find tha area of tha remaning sheet and also the stripe cut out.
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physics, a force is any interaction that, when unopposed, will change the motion of an object. A force can cause an object with mass to change its velocity, i.e., to accelerate. Force can also be described intuitively as a push or a pull. A force has both magnitude and direction, maki
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Answer:
1400 cm^2
Step-by-step explanation:
According to the question
A strip of 5 cm has been cut off
AB=CD=40 cm
BC=AD= 35 cm
Join A and C
We get 2 triangles
ar(ABC)= 1/2xBxH
= 1/2x35x40
= 35x20
= 700 cm^2
ar(ABC)=ar(ACD)
700 cm^2 + 700 cm^2
= 1400 cm^2
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