Answer:
We have [ ( x + 7.4 ) ÷ 18 ] x 6 = 6;
Then, ( x + 7.4 ) ÷ 18 = 1;
x + 7.4 = 18;
x = 10.6;
Step-by-step explanation:
Answer:
the answer is 54
Step-by-step explanation:
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20,809,204 is the answer because 20,000,000+800,000+9,000+200+4
Answer: Parallelogram is a kind of quadrilateral where as there are some quadrilaterals (like trapezoid , kite, .. ) that do not satisfy the properties of parallelograms.
Step-by-step explanation:
A quadrilateral is a closed polygon having fours sides.
A parallelogram is a kind of quadrilateral having following properties:
Its opposite sides and opposite angles are equal.
The sum of adjacent angles is 180°.
The diagonal of parallelogram bisect each other.
A Trapezoid is also a quadrilateral . It has only one pair of parallel sides. (The other one are not parallel).
So , all quadrilaterals not parallelograms.
Therefore, parallelograms are always quadrilaterals but quadrilaterals are sometimes parallelograms because parallelogram is a kind of quadrilateral where as there are some quadrilaterals (trapezoid , kite, .. ) ) that do not satisfy the properties of parallelograms.
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