omarahmedwafik2011 omarahmedwafik2011

24-10-2020
Mathematics

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4. Xavier has a rectangular piece of card. He cuts off the four corners.
What do the angles of the remaining shape add up to?

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joemamawillhelpu joemamawillhelpu

24-10-2020

Answer:

1080°

Step-by-step explanation:

the rectangle has 4 sides and 4 angles of 90° angles; when the corners are cut, there are now 8 sides and 8 angles, aka an octogon, which has the total angles of 1080°

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