The width is 6m and the length is 12m
1) set up equation
2) distribute
3) put all values on one side
4) factor
5) -12 cannot be a width, so 6 is the width
6) plug the width (6) back into the equation from step 1
Answer:
Step-by-step explanation:
Area of a circle is equal to , where r is the radius
A diameter is twice the length of the radius. ()
So the radius is 4 cm.
so the Area is
You basically just get a equation that needs to be answered and grab the answer and minus it by one of the two digits in front. Example: 3+2=5 is equal to 5-2=3
Answer:
Step-by-step explanation:
Use the Law of Cosines:
a² = b² + c² - 2ab·cos A
Substituting the given values, we obtain:
a² = (10)² + (7)² - 2(10)(7)·cos 52°
= 100 + 49 - 140·0.6157
= 149 - 86.1926
= 62.81
Taking the square root of both sides yields:
a = 7.925, or (to the nearest degree) 8