All the sides of a proper rectangle are 90 degrees.
<span>So you use sine and cosine to figure out the two different lengths of sides ( because rectangle sides are parallel). To find area you times the two sides together. To find perimeter you times the two sides by two and add them together.</span>
500-120= 380 380÷200= 19 so the answer is 19
The function h is defined by h(x)=x^2 +2.
Find h(3y).
The answer is 2+9 _
Answer:
4
Step-by-step explanation:
