Math, asked by rehanfarhan0011, 4 months ago

उस वृत्त का व्यास कितना होगा जिसका क्षेत्रफल 78.5 मी है?

Answers

Answered by ps248453
1

Answer:

area = 78.5 m =

O2 = 78.5 =

3.14 r? = 78.5

r2 = 78.5/3.14

r² = 25

r ( Trijaya) = +5

vayas ( diameter) = 2 * radius

= 2* 5

= 10 m =

Answered by itzPapaKaHelicopter
4

\huge \fbox \pink{"उत्तर}

दिया है: क्षेत्रफल = 78.m²

हमें ज्ञात करना है: व्यास

⇒वृत्त  \: का \:  क्षेत्रफल = 78.5

⇒\pi {r}^{2}  = 78.5

⇒3.14 {r}^{2}  = 78.5

⇒ {r}^{2}  = 25

⇒ {r}^{2}  =  {5}^{2}

⇒r = 5

:व्यास = 2r⇒2 \times 5 = 10 \: m

अत: उत्तर \:  है  \: 10 \: m

 \\  \\  \\ \sf \colorbox{gold} {\red(ANSWER ᵇʸ ⁿᵃʷᵃᵇ⁰⁰⁰⁸}

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