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तामिळनाडू बोर्ड ऑफ सेकेंडरी एज्युकेशनएस.एस.एल.सी. (इंग्रजी माध्यम) इयत्ता ७

A ground is in the shape of parallelogram. The height of the parallelogram is 14 metres and the corresponding base is 8 metres longer than its height. Find the cost of levelling the ground at - Mathematics

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प्रश्न

A ground is in the shape of parallelogram. The height of the parallelogram is 14 metres and the corresponding base is 8 metres longer than its height. Find the cost of levelling the ground at the rate of ₹ 15 per sq.m

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उत्तर


   14
   22x 
   28
28     
308   

308
  15x
1540
308  
4620

Height of the parallelogram h = 14 m

Base = 8 m longer than height

= (14 + 8) m

= 22 m

Area of the parallelogram = (base × height) sq.units

= (22 × 14) m2 

= 308 m2

Cost of levelling 1 m2 = ₹ 15

Cost of levelling 308 m2 = 308 × 15 = ₹ 4,620

Cost of levelling the ground = ₹ 4,620

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पाठ 2: Measurements - Exercise 2.1 [पृष्ठ ३९]

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सामाचीर कलवी Mathematics - Term 1 [English] Class 7 TN Board
पाठ 2 Measurements
Exercise 2.1 | Q 5 | पृष्ठ ३९

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