Math, asked by swett, 1 year ago

using identity 2
Solve (19.9) whole square

Answers

Answered by abhinav12322

4

(19.9)= 20 square - 0.1 square
400 - 0.01
399.99

Previous Question

Next Question

Similar questions

Math, 7 months ago

How to ask a question of more than 5 marks?

Physics, 7 months ago

E Match the following: Column A Column B 1. Photosynthesis 2. Dry cell 3. Electromagnet 4. Doorbell a. Electrical energy magnetic energy b. Electrical energy sound energy c. Solar energy chemical energy d. Chemical energy electrical energy e. Electrical energy heat f. Electrical energy light energy g. Electrical energy mechanical energy h. Light energy → electrical energy 5. Electric heater heat...

Hindi, 7 months ago

सार्थक और निरर्थक शब्द में अंतर उदाहरण सहित स्पष्ट कीजिए...

Science, 1 year ago

why their is a gap between railway...

Biology, 1 year ago

explain structure and function of collenchymaand scellernchyma?

Math, 1 year ago

plz give me answer.

Science, 1 year ago

please answer.........?:?

Math, 1 year ago

give best idea of learning maths...