Please do the 5th question
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GIVEN;
PEOPLE WHO LIKE ENGLISH => 2X°
PEOPLE WHO LIKE MATHEMATICS => 5X°
PEOPLE WHO LIKE SCIENCE => 81°
PEOPLE WHO LIKE OTHER SUBJECTS => 55°
A) TO SHOW ; VALUE OF X IS 32 (TO FIND )
AS WE KNOW ,THAT PIE CHART IS A FORM OF CIRCLE ,
THEN, THE ANGLES IN CIRCULAR PIE CHART ;
LET ,ANGLE A BE 2X °
ANGLE B BE 55°
ANGLE C BE 5X°
ANGLE D BE 81 °
BY USING ANGLE SUM PROPERTY OF A CIRCLE ,WE GET;
=> ANGLE A + ANGLE B + ANGLE C + ANGLE D = 360 ° VALUE OF X
=> 2X + 55° + 5X + 81 ° = 360°
=> 7X + 136° = 360
=> 7X = 360 - 136
=> 7X = 224
=> X = 224 / 7
=> X = 32
SO THE VALUE OF X IS 32 .
2). THE PERCENTAGE OF PEOPLE WHO LIKE SCIENCE. (TO FIND )
AS WE KNOW , THE TOTAL EXTENSION OF PIE CHART IS 360° .
SO ,
THE PERCENTAGE OF PEOPLE WHO LIKE SCIENCE ;
=> 81/360 × 100
=> 22.5 %
SO, THE PERCENTAGE OF PEOPLE WHO LIKE SCIENCE IS 22.5 % .
THANKS FRIEND ,HOPE IT HELPS YOU .
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