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6. Area of sector ?

  • A= 1/2 r^2 theta
  • A= 1/2 r theta
  • A= x^2

7. Area of cuboid ?

  • A = 2wl + 2hw
  • A = 2wl + 2lh + 2hw
  • A = 2wl + 2lh

8. Equation of a perpendicular line ?

  • y - y2= m (x - x2)
  • y - y1= m (x - x1)
  • y2 - y1= m (x2 - x1)

9. y= ?

  • -b ± √(b2-4ac) ] / 2a
  • -b ± √(b4-4ac) ] / 2a
  • -b ± √(b2-4ac) ] / 2ac

10. What is the same as tan theta?

  • sin theta / cos theta
  • cos theta / sin theta
  • sin theta

11. Area of a triangle?

  • 1/2 absinC
  • a/sinA = b/sinB = c/sinC
  • log2

12. Area of segment?

  • A= 1/2 r^2 theta
  • A= 1/2 r^2 theta ( theta - sin theta)
  • A= theta - sin theta

13. Sum of arithmetic series?

  • 3
  • n/2 (2a + (n-1)d )
  • x2

14. Gradient of line (x1,y1) and (x2,y2) ?

  • m= (y - y1)/ (x - x1)
  • m= (y2 - y1)/ (x2 - x1)
  • m= (y1 - y2)/ (x1 - x2)

15. Arc length?

  • x^2
  • l=r theta
  • l= r theta ^2

16. What does cos^2 theta + sin^2 theta equal?

  • 1
  • 2
  • 22222