Advertisements
Advertisements
प्रश्न
In the given below the figure, AB is parallel to DC, ∠BCD = 80° and ∠BAC = 25°, Find
(i) ∠CAD, (ii) ∠CBD, (iii) ∠ADC.
बेरीज
Advertisements
उत्तर
(i) ∠CAD = ∠BCE - ∠CAB
∴ ∠CAD = 80° - 25°
∴ ∠CAD = 55°
∵ Ext. of cyclic is equal to opp. int
(ii) ∠CBD = ∠CAD = 55° ...(Angles in the same segment)
(iii) ∠ ADC = 180° - ∠ DAB
∴ ∠ ADC = 180° - 80°
∴ ∠ ADC = 100°.
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
