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तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा ७

Find the missing values. Height h Parallel side a Parallel side b Area 16 cm 15 cm 360 sq.cm - Mathematics

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प्रश्न

Find the missing values.

Height 'h' Parallel side 'a` Parallel side 'b` Area
16 cm 15 cm   360 sq.cm
योग

उत्तर

Given: The height h = 16 cm

Parallel sides a = 15 cm

Area of the trapezium = 360 sq.cm

`1/2` × h × (a + b) = 360

`1/2` × 16 × (15 + b) = 360

15 + b = `360/8`

15 + b = 45

b = 45 – 15 = 30

b = 30 cm

Tabulating the results we get

Height 'h' Parallel side 'a` Parallel side 'b` Area
16 cm 15 cm 30 cm 360 sq.cm
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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 2: Measurements - Exercise 2.3 [पृष्ठ ४७]

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सामाचीर कलवी Mathematics - Term 1 [English] Class 7 TN Board
अध्याय 2 Measurements
Exercise 2.3 | Q 1. (iv) | पृष्ठ ४७
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