No products in the cart.

There are two cuboidal boxes as …

CBSE, JEE, NEET, CUET

Question Bank, Mock Tests, Exam Papers

NCERT Solutions, Sample Papers, Notes, Videos

There are two cuboidal boxes as shown in the figure below. Which box requires the lesser amount of material to make ?. ( figure shown in page no. 186 in 1 question). Please give me full solution.

Posted by Ripudaman Jadoun 6 years, 11 months ago

CBSE > Class 08 > Mathematics

1 answers

Ram Kushwah 6 years, 11 months ago

In fist cuboid say a=40 ,b=60,c=50

SA=2(ab+BC+ca)

=2(40×60+60×50+50×40)

=2(2400+3000+2000)=2×7400=14800 cm2.....(1)

In 2nd cuboid a=b=c=50 this is a cube

SA=6a2=6×50×50=15000 cm2....(2)

So 1st one requires less material.

2Thank You

ANSWER

Test

Related Questions

Class 8th ex .5.1

Posted by Jashan Preet 7 months, 4 weeks ago

CBSE > Class 08 > Mathematics

1 answers

3+4{

Posted by Gupteswari Bag 1 year, 4 months ago

CBSE > Class 08 > Mathematics

4 answers

This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

Few rules to keep homework help section safe, clean and informative.

Don't post personal information, mobile numbers and other details.
Don't use this platform for chatting, social networking and making friends. This platform is meant only for asking subject specific and study related questions.
Be nice and polite and avoid rude and abusive language. Avoid inappropriate language and attention, vulgar terms and anything sexually suggestive. Avoid harassment and bullying.
Ask specific question which are clear and concise.

Remember the goal of this website is to share knowledge and learn from each other. Ask questions and help others by answering questions.

Posted by Monika 8B 5 months, 2 weeks ago

CBSE > Class 08 > Mathematics