How to solve for the missing side useing the pythagorean theorem
1 answer:
Answer:
<em>cos</em><em> </em><em>=</em><em> </em>
<em></em>
<em>coß</em><em> </em><em>=</em><em> </em><em>9</em><em>÷</em><em>15</em>
<em>the</em><em> </em><em>missing</em><em> </em><em> </em><em>side</em><em> </em><em>is</em><em> </em><em>0</em><em>.</em><em>6</em><em> </em><em>nor</em><em> </em><em>3</em><em>/</em><em>5</em>
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Answer:
Step-by-step explanation:
The perimeter of a rectangle can be calcualated with this formula:
Where "l" is the lenght and "h" is the height.
The area of a rectangle can be found with this formula:
Where "l" is the lenght and "h" is the height.
In this case we know that:
Therfore, we can susbsitute them into and solve for "h" in order to find its value:
Find two number whose sum is 3 and whose product is -40. These are -5 and 8. Then, factorizing, we get:
The positive value is the height. Then:
Since the length is 3 centimeters greater than its height, we get that this is: Then:
Substituting values into , we get that the perimeter is: