Find the perimeter of the specified triangle. Assume the triangles are similar.Find the perimeter of the triangle on the left.
A. 108 ft
B. 168 ft
C. 78 ft
D. 48 ft
Answer: C
Mathematics
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Verify the identity.sin(? - ?) cos(? + ?) = sin ? cos ? - sin ? cos ?
What will be an ideal response?
Mathematics
Multiply and express the product as a mixed number or an integer.4 ? 
A. -16
B. -16
C. -16
D. -15
Mathematics
Give the equation of the horizontal asymptote of the rational function.h(x) = 
A. y = 2
B. y = 
C. None
D. y = 5
Mathematics
Solve the problem.Find the area of the shaded portion ( see illustration) of a circle of radius 25 cm, formed by a central angle of 
Round your answer to the nearest square cm. 
[Hint: Subtract the area of the triangle from the area of the sector of the circle to obtain the area of the shaded portion.]
Fill in the blank(s) with the appropriate word(s).
Mathematics