Suppose \\Delta{\ABC} be a right-angled triangle where \\angle{A}=90^\circ and {AD} \┴{BC}. If \\Delta{ABC}=40 {cm}^{2}, \\Delta{ACD}=10 {cm}^{2} and \ov {{AC}} =9 {cm}, then the length of {BC} is

CDS Model Paper 2 Mathematics

Question : 93 of 100

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Suppose Δ‌ABC be a right-angled triangle where ∠A=90° and AD┴BC. If ΔABC=40cm2,ΔACD=10cm2 and AC =9cm, then the length of BC is

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