MATH 240 FINAL EXAM QUESTIONS AND CORRECT ANSWERS

MATH 240 FINAL EXAM QUESTIONS
AND CORRECT ANSWERS
Surface Area of Circular Cone ✅✅ANSW-SA= A + 1/2Cl

-A: πr^2

-C: πd

-l: slant height



Surface Area of Sphere ✅✅ANSW-SA= 4πr^2



Volume of Prism ✅✅ANSW-V = Ah



Volume of Cylinder ✅✅ANSW-V= (πr^2)h



Volume of Pyramid ✅✅ANSW-V= (1/3)Ah



Volume of Cone ✅✅ANSW-V= (1/3)(πr^2)h



Volume of Sphere ✅✅ANSW-V= (4/3)πr^2



Celsius to Fahrenheit ✅✅ANSW-C= F-32/1.8



Fahrenheit to Celsius ✅✅ANSW-F= 1.8C + 32



Area of Trapezoid ✅✅ANSW-1/2(b1+b2)(h)



Angle ✅✅ANSW-union of two line segments with a common endpoint or the union of two rays
with a common endpoint



Surface Area of a Right Prism ✅✅ANSW-SA= 2A +Ph

, - P: perimeter of the base

- h: height of the prism



Surface Area of Circular Cylinder ✅✅ANSW-SA = 2A +Ch

-A: area of circle (πr^2)

-C: circumference (πd)

-h: height



Surface Area of Right Regular Pyramid ✅✅ANSW-SA= A + 1/2Pl

-P: perimeter of base

-l: slant height

Heptagon ✅✅ANSW-regular polygon with seven sides



Concurrent lines ✅✅ANSW-three or more lines that contain the same point



isosceles triangle ✅✅ANSW-a triangle with at least two sides the same length.



platonic solids ✅✅ANSW-five regular convex polyhedra



cone ✅✅ANSW-the union of the interior of a simple closed curve and all the line segments
joining points of the curve to a point, called the apex, which is not in the plane of the curve



sphere ✅✅ANSW-definite as the set of all points in 3D space that are the same distance from a
fixed point called the center



Is every isosceles triangle is equilateral? ✅✅ANSW-false



Is every rhombus a kite? ✅✅ANSW-true



A circle is convex ✅✅ANSW-true