Hindi, asked by singhsunita8398, 6 months ago

हमारेदेश मेंआज भी कई आददवासी जनजातियााँहैं, उनमेंसेककन्ही पााँच के बारेंमेंपिा करके उनके

राज्य के नाम और जनजाति का नाम लिखिए l ​

Answers

Answered by Vaanyapopli
1

Answer:

Find the area of the right angled triangle with hypothenuse 5 cm and one of the acute angle is 48°30'.

\purple{\large{\underline{\underline{ \rm{Solution: }}}}}

Solution:

Here, first we need to find AB and then BC. Therefore, by finding both height and breadth, we will apply the formula of area of right triangle.

From the figure,

For finding AB i.e, height (perpendicular)

\sf{ \sin C = \dfrac{perpendicular}{hypotenuse}}sinC=

hypotenuse

perpendicular

\sf \sin C = \dfrac{AB}{AC}sinC=

AC

AB

\sf{ \sin48 \degree30' = \dfrac{AB}{5}}sin48°30

=

5

AB

N.B :-

sin 48° = 0.7431

But we have sin 48°30'

Let's convert 30' into degrees, we have:

30' = 0.5°

Now 48° + 0.5° = 48.5°

∴ sin 48.5° = 0.7490

Let's continue.......

\sf{0.7490 = \dfrac{AB}{5}}0.7490=

5

AB

\sf5 \times 0.7490 = AB5×0.7490=AB5×0.7490=AB5×0.7490=AB

★\sf{AB = 3.7450 \: cm}AB=3.7450cm

For finding BC i.e, base

\sf \cos C = \dfrac{base}{hypotenuse}cosC=

hypotenuse

base

\sf{ \cos C = \dfrac{BC}{AC} }cosC=

AC

Answered by ankitakeshri83
0

Answer:

Jharkhand

Explanation:

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