Maximum area triangle Among all triangles with a perimeter of 9 units, find the dimensions of the triangle with the maximum area. It may be easiest to use Heron’s formula, which states that the area of a triangle with side length a , b , and c is A = s ( s − a ) ( s − b ) ( s − c ) , where 2 s is the perimeter of the triangle.
Maximum area triangle Among all triangles with a perimeter of 9 units, find the dimensions of the triangle with the maximum area. It may be easiest to use Heron’s formula, which states that the area of a triangle with side length a , b , and c is A = s ( s − a ) ( s − b ) ( s − c ) , where 2 s is the perimeter of the triangle.
Solution Summary: The author explains the Heron's formula, where a, b,c are the lengths of the sides, and 2 s is the perimeter. Substitute c=2s-a-b
Maximum area triangle Among all triangles with a perimeter of 9 units, find the dimensions of the triangle with the maximum area. It may be easiest to use Heron’s formula, which states that the area of a triangle with side length a, b, and c is
A
=
s
(
s
−
a
)
(
s
−
b
)
(
s
−
c
)
, where 2s is the perimeter of the triangle.
Find the volume of the parallelepiped determined by the vectors a = (3, 5, −1), ☎ = (0, 3, 1),
c = (2,4,1).
Find the area of a triangle PQR, where P = (-5,6, -1), Q = (1, -3, -2), and R = (-5, -1,4)
17. [-/1 Points]
DETAILS
MY NOTES
SESSCALCET2 6.2.050.
Evaluate the integral. (Remember to use absolute values where appropriate. Use C for the constant of integration.)
du
4√3-
-4²
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SUBMIT ANSWER
18. [-/1 Points] DETAILS
MY NOTES
SESSCALCET2 6.2.051.
Evaluate the integral. (Use C for the constant of integration.)
-
49
dx
x²
+3
Need Help?
Read It
Watch It
SUBMIT ANSWER
19. [-/1 Points]
DETAILS
MY NOTES
SESSCALCET2 6.2.057.
Evaluate the integral. (Remember to use absolute values where appropriate. Use C for the constant of integration.)
25+ x2
dx
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