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Gujarat Class 9 Answered

In rhombus ,angle A is equal to angle B minus 30degree, then find angle C. 
Asked by tnr.rijhawani | 28 Mar, 2019, 05:59: PM
answered-by-expert Expert Answer
begin mathsize 12px style angle end styleA  and begin mathsize 12px style angle end styleB are adjacent angle and their sum = 180°
begin mathsize 12px style angle end styleA + begin mathsize 12px style angle end styleB = 180
begin mathsize 12px style angle end styleB-30+begin mathsize 12px style angle end styleB = 180   or  2begin mathsize 12px style angle end styleB = 210  or  begin mathsize 12px style angle end styleB = 105
Hence begin mathsize 12px style angle end styleA = 180 - 105 = 75
begin mathsize 12px style angle end styleA and begin mathsize 12px style angle end styleC are opposite angles and they are equal.  Hence begin mathsize 12px style angle end styleC = 75
Answered by Thiyagarajan K | 28 Mar, 2019, 08:46: PM
Gujarat 9 - Maths
Asked by Mubaraka5253new | 26 Jun, 2020, 08:11: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
Gujarat 9 - Maths
Asked by tnr.rijhawani | 28 Mar, 2019, 05:59: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
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