AC Lim's answer to xy's Secondary 4 E Maths Singapore question.
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Date Posted:
6 years ago
How to get (1.5u + 3u) for PSTQ?
PSTQ is a trapezium
Formula for trapezium area= 1/2x (a+b) x height.
a= length PQ
b= length ST
Similar triangle BPQ=BST
BQ=QT
BT=3U (as per answer/given iii)
Formula for trapezium area= 1/2x (a+b) x height.
a= length PQ
b= length ST
Similar triangle BPQ=BST
BQ=QT
BT=3U (as per answer/given iii)
Ok! Thank you :)