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what shape has no adjacent sides?
A shape with no sides next to each other would be a one sided shape, ie, a circle.
If 8 teams are there each team will face each other what will be the total numbers of mathches?
Each team plays 7 matches, but each match involves two teams so the total is (8 x 7)/2 ie 28
Why do a square's diagonals bisect each other?
Consider the square ABCD whose diagonals, AC and BD, meet at X.AB is parallel to DC and AC intercepts them. Therefore <BAX = <DCX. AB is parallel to DC and BD intercepts them. Therefore <ABX = <CDX. AB = CD. Therefore triangle ABX is congruent to triangle CDX (SAS). So AX = XC ie X is the midpoint of AC and BX = XB ie X is the midpoint of BD. ie the diagonals bisect each other.
Which prime numbers are also consecutive numbers?
The only numbers that are consecutive and prime (ie. they are counting numbers greater than 1 that follow each other and can only be divided by themselves and 1) are;23
If five angles of a heptagon have measures of 80 85 175 90 140 and if the other two angles are congruent what is the measure of each of the other two angels?
Total of interior angles 180 x 7 - 360 ie 900. Total of known angles 570 Balance 330 Each remaining angle 165o
