Question

पवन ,तरंगों तथा ज्वार भाटा से उर्जा निष्कर्षण की क्या सीमाएं हैं hindi discribe​

Answer 1

Answer:

Answer:

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Question

Find the area of a triangle, two sides of which are 18cm and 10cm and the perimeter is 42 cm :

Answer :-

Given that,

Two sides of triangle are 18 cm and 10 cm.

Perimeter of triangle is 42 cm

Let, third side of triangle be x .

So,

⟶ Perimeter = 18 + 10 + x

⟶ 42 = 28 + x

⟶ 42 - 28 = x

⟶ x = 14

Third side of triangle is 14 cm.

Now,

s = 42/2

s = 21

Semi-perimeter is 21 cm.

Area of traingle :

⟶ √21 × (21 -18)(21 -14)(21 - 10)

⟶ √21 × 3 × 7 × 11

⟶ √3 × 7 × 3 × 7 × 11

⟶ 3 × 7 √11

⟶ 21 × √11

Put √11 = 3.316

⟶ 21 ×3.316

\longrightarrow \blue{\boxed{\bold{69.639}}\bigstar}⟶

69.639

★

★

Area of triangle is 69.636 cm²

_____________________________________

Formulas used:-

• Perimeter of triangle = Sum of all sides

• Heron's formula that is

Area of traingle = √s(s - a)(s - b)(s - c)

where,

s is semi-perimeter of triangle.

a, b and c are sides of triangle.

• Semi-perimeter = Perimeter of triangle/2

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@Legend42

Answer 2

Answer:

the combination of all the force acting on an object

Explanation:

Mixed media art involves mixing different creative mediums to create work that incorporates two or more art forms. For example, you can add sculpture to your painting, or draw on top of photography prints. Mixed media is all about breaking the boundaries between different art forms.