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townselt3861
28.01.2020 •
Mathematics
How many two digit positive integers can be formed from the digits 1, 3, 5, and 9, if no digit is repeated?
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Ответ:
All possible units are 13, 15, 19, 31, 35, 39, 51, 53, 59, 91, 93, 95
Ответ:
Option 'B' is correct.
Step-by-step explanation:
Since we know that
Properties of rectangle are:
1) Opposite angles are equal and right angles too.
2) Opposite sides are equal, so they can be equal.
3) Diagonals are congruent and bisect each other at right angle.
Properties of parallelogram are:
1) Opposite sides are parallel.
2) Opposite angles are equal.
So, Only if the diagonals are congruent , then it makes a rectangle a special type of parallelogram.
Hence, Option 'B' is correct.