exam Maths Puzzle Numerical Ability

a right angle is made up of three congruent angles. what are the measures of the angles.

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exam Other Question

(x^3+2x^2+x+12)/(x+3) IF LEAH ID 6 YEARS OLD THAN HER SISTER, SUE, ADN JOHN IS 5 YEARS OLDER THAN LEAH, AND THE TOTAL OF THEIR AGES IS 42. THEN HOW OLD IS SUE?