Leftie500
10.12.2021 •
Mathematics
A rectangular room has dimensions 10 ft by 14 ft by 30 feet. they are now considering a new design where the 2 shorter dimensions are increased by 20 % while the 30 foot length is decreased by 20%. Find the effects on surface area and volume of this change.
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Ответ:
29 in.
Step-by-step explanation:
a^2 + b^2 = c^2
20^2 + 21^2 = 841
square root of 841 = 29