Question

i want formulas for trainlge , rectangle and circles only of their area and perimeter ?

Answer 1

⭕Circle:---

➡Area = Π × r²

➡Circumference = 2 × Π × r

✨r = radius of circle.

⭕Rectangle :---

➡Area = length × breadth

➡Perimeter = 2(length + breadth )

⭕Traingle :---

➡Area=1/2 × base × height

Or

✨For any traingle ⤵

➡√s(s-a)(s-b)(s-c)

Or,

in co-ordinate system,

= $X_1(y_3 -y_1) +X_2(y_1 - y_2) + X_3(y_2 - y_3)$

➡perimeter = sumof all sides.

Answer 2

ATTACHMENT....⛄
MARK IT.. BRAINLIEST