In the figure, AB=4 centimetres, BC =5 centimetres. <B=90° cos C is:
A5 /√41
B5/4
C4/√41
D4/5
In the figure, AB=4 centimetres, BC =5 centimetres. <B=90° cos C is:
A5 /√41
B5/4
C4/√41
D4/5
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