Question

20×45 का मकान हे इसका वर्ग फुट कितना होता है​

Answer 1

Answer:

30 इसका वर्ग फुट है । hope it help u

Answer 2

(30-10)(30+15)

= (30+(-10))(30+15)

= 30² + [(-10)+15]30 + (-10)(15)

= 900 + (5)30 + (-150)

= 900 + 150 - 150

= 900

Hope it helps you

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