Question

Find the area of a triangle whose sides are 4.5 cm and 10 cm and perimeter
10.5 cm.

Answer 1

Answer:

The area of the triangle is .

Step-by-step explanation:

Let a, b and c be the three sides of the triangle. Here, a=4.5 cm, b=10 cm and c=?

∴ Semi perimeter = ⇒

⇒

⇒

∴ Area of triangle (Using Heron's formula)

Square units

Hence, Area of triangle =.

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