Need help on this one thank u
2 answers:
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Answer:
Option D and
Step-by-step explanation:
step 1
<u>Find the equation of the inequality A</u>
we know that
The solution of the inequality A (dashed line) is the shaded area below the dashed line
The equation of the dashed line is
therefore
The equation of the inequality A is
step 2
<u>Find the equation of the inequality B</u>
we know that
The solution of the inequality B (solid line) is the shaded area below the solid line
The equation of the solid line is
therefore
The equation of the inequality B is
The system of linear inequalities is
and
For the given right triangle, the perimeter is 60cm, so the correct option is D.
<h3></h3><h3>How to get the perimeter of the triangle?</h3>We can see a right triangle, by using the Pythagorean theorem we can get the missing cathetus:
Now we know the measure of the 3 sides, then the perimeter of the given triangle is:
P = 15cm + 20cm + 25cm = 60cm
The perimeter of the triangle is 60cm.
If you want to learn more about right triangles:
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