The actual area of a rectangle is 60sq cm but while measuring id length a student decreases it by 20% and the breath increases by 25% the percentage error in area calculated by the student is?
Answers
Answered by
0
Answer:
Actual length = 20/100×60
= 12 cm
Actual breadth = 25/100 × 60
= 15 cm
Area of rectangle = L × b
= 12 × 15
= 180 cm²
Yes the percantage error in area calculated by the student .
Similar questions