exam Maths Puzzle Numerical Ability

the measure of the supplement of an angle exceeds 3 times the measure of the complement of the angle by 10. find the measure of the complement

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exam Other Question

Find the perimeter of a triangle if the three sides are:

square root 5 - square root 3
square root 5 + square root 3
4

thanks, Lainey is 5 years old than her sister,mary. In 2 years she will be twice as old as her. What is their ages.