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Question about Right and Non-Right Angles

Mathematics

Originais Teachy

Right and Non-Right Angles

Easy

(Originais Teachy 2023) - Question Easy of Mathematics

In an Arts class, the 4th-grade students are creating mosaics with simple geometric shapes. Sofia decided to use only squares and rectangles for her mosaic. She wants to ensure that the angles of her mosaic are all right angles to make it well-aligned. After creating a figure, she mentions that there are 12 right angles and some others that are not right angles. Considering that her figure is a square mosaic with a rectangular strip glued to one of its longer edges, how many non-right angles did Sofia add to her mosaic?
a.
Sofia did not add any non-right angles to her mosaic.
b.
Sofia added 4 non-right angles to her mosaic.
c.
Sofia added 2 non-right angles to her mosaic.
d.
Sofia added 6 non-right angles to her mosaic.
e.
Sofia added 8 non-right angles to her mosaic.

Answer sheet:

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