Window

Peter demolish a box hole in the wall for the window frame 147×51 cm. When they come, they will find a master-fitted frame and window that glass is 13.3 cm from the hole in each direction.

Calculate how much percent less light enters the window than the hole.

Correct answer:

p =  60.8 %

Step-by-step explanation:

p=100%S1S1S2= =100%1475114751(147213.3)(51213.3)= =60.8%



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