Math, asked by kkkp9428, 4 months ago

एक आयत की चौड़ाई 20 सेमी है और उसके एक विकण की लम्बाई 29 सेमी है आयत का क्षेत्रफल वर्ग सेमी है ज्ञात कीजिए

Answers

Answered by baghelgaurav8798

1

Step-by-step explanation:

29²= 20²+ x² yahan x= L, H = 20cm

841=400+ x²

841-400 = x²

441= x²

21= x

area of reactingle = L×H

21×20= 420cm

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