Question

write formula to calculate area and perimeter of 1. square 2. rectangle 3. parallelograme 4.Rahombus 5. Trapezium​

Answer 1

Answer:

1. area of square= s^2

perimeter= 4s

2. area of rectangle= lb

perimeter 2(l+b)

3. parallelogram area = bh

perimeter= 2(l+b)

4. rhombus area= s^2

perimeter= 4s

5. trapezium are= 1/2h(a+b)

perimeter= add the sides

Answer 2

Step-by-step explanation:

Perimeter formula

• Square 4 × side
• Rectangle 2 × (length + width)
• Parallelogram 2 × (side1 + side2)
• Triangle side1 + side2 + side3
• Regular n-polygon n × side
• Trapezoid height × (base1 + base2) / 2
• Trapezoid base1 + base2 + height × [csc(theta1) + csc(theta2)]
• Circle 2 × pi × radius
• Ellipse 4 × radius1 × E(k,pi/2)
• E(k,pi/2) is the Complete Elliptic Integral of the Second Kind

k = (1/radius1) × sqrt(radius12 - radius22)

Area formula

• Square side2
• Rectangle length × width
• Parallelogram base × height
• Triangle base × height / 2
• Regular n-polygon (1/4) × n × side2 × cot(pi/n)
• Trapezoid height × (base1 + base2) / 2
• Circle pi × radius2
• Ellipse pi × radius1 × radius2
• Cube (surface) 6 × side2
• Sphere (surface) 4 × pi × radius2
• Cylinder (surface of side) perimeter of circle × height
• 2 × pi × radius × height
• Cylinder (whole surface) Areas of top and bottom circles + Area of the side
• 2(pi × radius2) + 2 × pi × radius × height
• Cone (surface) pi × radius × side

Torus (surface) pi2 × (radius22 -

Volume formula

• Cube side3
• Rectangular Prism side1 × side2 × side3
• Sphere (4/3) × pi × radius3
• Ellipsoid (4/3) × pi × radius1 × radius2 × radius3
• Cylinder pi × radius2 × height
• Cone (1/3) × pi × radius2 × height
• Pyramid (1/3) × (base area) × height
• Torus (1/4) × pi2 × (r1 + r2) × (r1 - r2)2

I HOPE IT'S HELP YOU..