exam Maths Puzzle Numerical Ability

In the right triangle ABC, AC= 12, angle B= 30 degrees, Angle C= 90 degrees, and Angle A= 60 degrees.
What is the perimeter of the Triangle

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exam Other Question

How do I determine if the following pair of lines ar parallel, perpendicular or neither. How do I solve the eqaution

Line 1 with equation x+2y=6
line 2 with eqaution x+3y=9
x2-3x-4=0