exam Maths Puzzle Numerical Ability

Pyramid TABCD has a 20-cm square base ABCD. The edges that meet at T are 27 cm long. Make a diagram of TABCD, showing F, the point of ABCD closest to T. To the nearest 0.1 cm, find

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please i need help with this problem: the shortest distance from the centre of a circle to a chord is 5 cm. find the radius (2d.p.) of the circle if the chord is 3*2 times longer than the radius. Simon arrived at work at 8:15 A.M. and left work at 10: 30 P.M. If Simon gets paid by the hour at a rate of $10 and time and � for any hours worked over 8 in a day. How much did Simon get paid?