Find the perimeter of the figure.
2 answers:
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Answer:
Step-by-step explanation:
By definition, the sum of the exterior angles of a polygon is 360 degrees.
Knowing this, you can write the following equation:
Then, you must solve for "x" in order to find its value. To do it, you can follow these steps:
1. You need to add the like terms:
2. Now, subtract 40 from both sides of the equation:
3. Finally, you must divide both sides of the equation by 4. Then:
Answer:
10 problems
Step-by-step explanation:
This is the answer because:
1) We have to solve for what 20% of 50 is since she finished 20% of her test:
20% of 50 = 10
×
=
= 10
Therefore, the answer is 10 problems.
Hope this helps! :D