exam
Maths Puzzle
Numerical Ability
PQR is an isoceles triangle such that QP = QR = 13cm and the altitude PS = 12cm. Find the length of PR.
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i do not understand this show me please?
(2r-3s)(4r^2+6rs+9s^2)
Please help me rewrite e^2=7.3891 as an equivalent logarithmic equation, but I can not solve it. So Please help me.