Q n 15

Q n 15 DC - DB and ZABC • A chord of length 10 cm subtends an angle 1200 at the centre ofa circle. Calculate the distance from the centre. In a rectangle ABCD, AB — 20 cm. ZBAC 600. Calculate the length of the side Bc. In the figure. alongside. ABCD is a square with each side 20 cm. nor - 300. OD 25 cm. Find the height of vertex B above the Inriznntal line OX (Take6-l.732) EXERCISE 29 300 ANSWERS D Horizontal Line x Two angle i complemerM AOPM in therefore Z OP-h sin A cosecA a Now. consid and H Sin

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