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MariahTheAnn
30.08.2019 •
Mathematics
Which statements are true of all squares? check all that apply.
1.the diagonals are perpendicular.
2.the diagonals are congruent to each other.
3.the diagonals bisect the vertex angles.
4.the diagonals are congruent to the sides of the square.
5.the diagonals bisect each other.
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Ответ:
Ответ:
3. 58
4.90 and 145
Step-by-step explanation:
These are tetragonal the fomula for the sum of interior angles is:
a+b+c+d=360°
Example:
3. 120+52+130+x=360
x= 58°