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1. What is the formula for the area of a triangle using Heron's formula?
A = √(s(s-a)(s-b)(s-c)) · A = (1/2) * base * height · A = a + b + c · A = (a + b + c) / 3
2. In Heron's formula, what does 's' represent?
The semi-perimeter of the triangle · The area of the triangle · The height of the triangle · The longest side of the triangle
3. If a triangle has sides of lengths 7 cm, 8 cm, and 9 cm, what is the semi-perimeter 's'?
12 cm · 14 cm · 24 cm · 16 cm
4. Using Heron's formula, what is the area of a triangle with sides 5 cm, 12 cm, and 13 cm?
30 cm² · 24 cm² · 60 cm² · 36 cm²
5. What is the first step in applying Heron's formula?
Calculate the area directly · Find the semi-perimeter · Identify the longest side · Check if the triangle is right-angled
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