Page 171 - Grade 10 C.Math

oL cg'kftx¿df cfwf/e"t sf]0fx¿sf] dfg lgDg tflnsfdf eg'{xf];\ M
sf]0f
cg'kft 0° 30° 45° 60° 90°

Sin

Cos
Curriculum Development Centre

Tan

Cosec

Sec

Cot

dflysf lqsf]0fldtLo cg'kftx¿ tyf ltgLx¿df ljlzi6 sf]0fx¿sf dfgx¿ xfdLn] sIff 9
df cWoog ul/;s]sf 5f}F . ca xfdL lqe'h tyf rt'e'{hsf If]qkmn s;/L kTtf nufpg] egL
cWoog ub{5f}F .

16.1 lqe'h / rt'e'{hsf] If]qkmn (Area of Triangle and Quadrilateral)

lbOPsf lqe'hx¿sf] If]qkmn s;/L kTtf nufpg ;lsG5, ;f]r]/ ;a}n] cfcfk\mgf] sfkLdf ;"q
n]Vg'xf];\ .

h c b
h

b b a

cyf{t\ dflysf lqe'hx¿df klxnf] / bf];|f]df cfwf/ / prfO lbOPsf] cj:yf 5 eg] t];|f]df
ltg cf]6} e'hfsf] nDafO lbOPsf] 5 . o:tf lqe'hsf If]qkmnsf af/]df xfdLn] o;cl3 g} cWoog

ul/;s]sf 5f}F . oxfF s'g} lqe'hsf b'O{ cf]6f e'hfsf] nDafO / ltgLx¿larsf] sf]0fsf] gfk lbPsf]
cj:yfdf To;sf] If]qkmn s;/L kTtf nufpg] To; af/] cWoog ub{5f}F .

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