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CBSE Class 9 Answered

SIR ,PLEASE EXPLAIN THE QUESTIONS IN DETAIL. The questions are : 7.In the given figure,ABllDC. If x=4/3y and y=3/8z,find the values of x,y,z. 8.In the given figure,find the value of x,if BCllDE and ANGLE ABC=150' and ANGLE BAD=30'. the diagram is given below,  
question image
Asked by seeni2005 | 30 Jul, 2018, 07:40: PM
answered-by-expert Expert Answer
begin mathsize 16px style AB vertical line vertical line DC
so
angle ABD space equals angle BDC equals straight x..... open parentheses alternate space angles close parentheses
in space increment BDC
angle BDC space plus space angle BCD space plus angle DBC space equals space 180
straight x space plus space straight z space plus space straight y space equals space 180
4 over 3 straight y space plus space 3 over 8 straight z plus straight z equals 180
4 over 3 open parentheses 3 over 8 straight z close parentheses space plus space 3 over 8 straight z plus straight z equals 180
straight z space equals space 96
straight y space equals space 36
straight x space equals space 48 end style
Answered by Arun | 31 Jul, 2018, 10:13: AM
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