Triangle {ABC} is right-angled at {A} and {AD} is perpendicular to {BC}. If {BD}=7 \cdot 5 {cm} and {DC}=10 {cm}, then what is {AD} equal to ?

UPSC CDS 2 2022 Math Paper

Question : 26 of 100

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Triangle ABC is right-angled at A and AD is perpendicular to BC. If BD=7⋅5cm and DC=10cm, then what is AD equal to ?

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