Question

Write the formulae of area and volume of different solid shapes . Find out the variables and constants in them .

Answer 1

Answer:

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Answer 2

Formula of areas and volume of different solid shape are given below :--

Step-by-step explanation:

1. TRIANGLE

$area = \frac{1}{2} \times b \times h$

2. Trapezium

$areas = \frac{1}{2} \times h \times ( a + b)$

3. Cylinders

$volume = \pi {r}^{2} h \\ surface \: \: areas = 2\pi {r}^{2} + 2\pi \: rh$

4. Cone

$volume = \: \frac{1}{3} \pi {r}^{2}h$

5. Sphere

$volume = \frac{4}{3} \pi {r}^{3} \\ surface \: area = 4\pi {r}^{3}$

6. Circle

$circumference = 2\pi \: r \\ areas = \pi {r}^{2}$

7. Square

$areas = {a}^{2} \\ perimetre = 4a$

8. Rectangle

$areas = l \times b \\ perimetre = 2 \times (l + b)$

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