Quadrilaterals True or False

1.	How many diagonals do quadrilaterals have? -> 1 True False
2.	Which of the following is true about convex quadrilaterals? -> Both of their diagonals must lie completely inside the bounds of the figure True False
3.	The sum of all interior angles in all quadrilaterals is equal to what? -> 270° True False
4.	How many pairs of adjacent sides do quadrilaterals have? -> 4 True False
5.	How many pairs of opposite sides do quadrilaterals have? -> 0 True False
6.	Which of the following most accurately describes this figure? -> A convex quadrilateral True False
7.	Three angles in a quadrilateral measure 36°, 98°, and 106°. What is the measure of the last angle? -> 120° True False
8.	What is the value of x in a quadrilateral with angles measuring 5x, 3x – 2, 9x – 21, and 3x + 1? -> 21.9 True False
9.	A quadrilateral has an interior angle that measures 270°. Is it concave or convex? -> Concave True False
10.	A quadrilateral has sides of lengths 3, 5, and 7. What is the length of the last side? -> It is impossible to tell from the given information True False

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