Revision on Pythagoras' Theorem and Trigonometric Ratios
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by Deborah Ong
| 2 Questions
In the diagram, A, B and C represent three towns. They are joined by straight roads
where AC = 15 km, BC = 20 km and . A road CX is to be built from C to join AB at X.
1
1
Find the shortest possible length of CX.
2
1
Find angle ACB.
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