plz find those 4 problems plz..
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3
11. 86°60'
12. 74°
13. 34°
14. 144°
12. 74°
13. 34°
14. 144°
Answered by
2
Q 12 ] BOD = 32 m(arc BD) =32
/_ BCD =1/2 (arc BD)
/_ BCD = 16°
NOW,
m/_ ACB =90° ANGLE INSCRIBED IN SEMICIRCULAR ARC
BUT, /_ BCD = 16°
m/_ ACD = 90° - 16 °
= 74°
ANS = /_ ACD = 74°
/_ BCD =1/2 (arc BD)
/_ BCD = 16°
NOW,
m/_ ACB =90° ANGLE INSCRIBED IN SEMICIRCULAR ARC
BUT, /_ BCD = 16°
m/_ ACD = 90° - 16 °
= 74°
ANS = /_ ACD = 74°
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