can anyone solve it?
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Hiii yhi wali id thi na?
Anyways view the attachment...❤
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(¡) Length of BC
In ∆ ADE ; Angle E = 90° by Construction
★ By Herons Formula
➟ AD² = AE² + ED²
➟ (7)² = AE² + (3)²
➟ 49 = AE² + 9
➟ AE² = 49 - 9
➟ AE² = 40
➟ AE = √40
➟ AE = √2 × 2 × 5
➟ AE = 2√5 cm
➟ BC = 2√5 cm
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