Answer:
Explanation:
To show that atoms are conserved on a chemical reactions
The area of the given parallelogram is approximately

Data given;
- a = 13cm
- b = 21cm
- angle = 79 degrees
<h3>Area of a Parallelogram</h3>
The area of a parallelogram is the product of its two sides and the sine of the angle (if given).
So the formula of our parallelogram is

x = angle
Substitute the values and solve.

From the calculation above, the area of the parallelogram is approximately 
Learn more on area of a parallelogram here;
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Answer:
Collusion and Competition