ek writ ki trijya 3point6 cm Hai usme ek Aise trijyakhand ki primiti tatha chetrafal nikale jisja kendriye Kon 36degree Hai
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वृत कि त्रिज्या = 3.6 cm
केंद्रीय कोण = 36°
त्रिज्यखंड की परिमिती = 2R + 2πR/360° × 36°
= 2×3.6+2×3.14×3.6×36/360
= 7.2 + 2.26
= 9.46 cm
त्रिज्यखंड का क्षेत्रफल = πR^2/360° × 36°
= 3.14 × 3.6 × 3.6 × 36 / 360
= 4.07 cm^2
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