Koi solve karne ki kripa kro please
Class 9, Ex-13.1, no.6
Attachments:
Answers
Answered by
48
QUESTION ⤵
A small indoor greenhouse is made entirely of glass panes held together with tape. It is 3pcm long, 25cm wide and 25cm high.
(i) What is the area of the glass ?
(ii) How much of tape is needed for all the 12 edges ?
ANSWER ⬇
Given :
=> l = 30 , b = 25, h = 25
(i)- Total SA of green house
=> 2(lb + bh + hl)
=> 2(30 × 25 + 25 × 25 + 25 × 30)
=> 2 × 2125
=> 4250cm² .
(ii)- For 12edges: Total length
=> 4l + 4b + 4h
=> 4(30 + 25 + 25)
=> 4 × 80
=> 320cm .
THANKS..
Similar questions
Math,
2 months ago
Hindi,
2 months ago
Computer Science,
5 months ago
Social Sciences,
5 months ago
Math,
11 months ago
Science,
11 months ago
Geography,
11 months ago