Christmas MT's answer to Calisto Yeow's Primary 6 Maths Algebra Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Christmas MT
Christmas Mt's answer
2913 answers (A Helpful Person)
Learn to create 2 equations because there are two unknowns from the triangle and rectangle equations. Then solve using the two equations and achieve the value of X and Y. Then, solve for octagon diagonals.