1.

AB and AC are two equal chords of a circle with centre 0. IfBC = 24 cm and the radius of the circle is 15 cm, find the lengthof AB.​

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мс5 12√027=√)24²+12²=√АВ горааф. Пи тПо. ыйгольноу-прямНАВΔ см4=295+1=АНт чинаЗ. см9=)²12-²15(=√ОН горааПиф. по т, ыйгольноурям-пОНВ.Δ см12=НВ⇒, аанвдиме-Ан даТог. ВСН⊥сть АПу



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