G9-MATH-L10 Heron's Formula

What is Heron's formula used for?

• Calculating the area of a triangle
• Finding the perimeter of a triangle
• Determining the height of a triangle
• Identifying the type of triangle

If the sides of a triangle are 40 m, 32 m, and 24 m, how can you find its area?

• Using the height and base
• Using Heron's formula
• Using the Pythagorean theorem
• Using the sine rule

What is the first step in applying Heron's formula?

• Calculating the semi-perimeter
• Finding the height
• Determining the angles
• Calculating the area directly

What is the semi-perimeter (s) of a triangle with sides 40 m, 32 m, and 24 m?

• 48 m
• 56 m
• 72 m
• 64 m

Using Heron's formula, what is the area of a triangle with sides 40 m, 32 m, and 24 m?

• 384 m²
• 3840 m²
• 240 m²
• 2400 m²

What is the formula for the area of a triangle using Heron's formula?

• √(s(s-a)(s-b)(s-c))
• ½ × base × height
• s × height
• a × b × c

In Heron's formula, what do 'a', 'b', and 'c' represent?

• The angles of the triangle
• The lengths of the sides of the triangle
• The heights of the triangle
• The semi-perimeter

For an equilateral triangle with side 10 cm, what is the area using Heron's formula?

• 25√3 cm²
• 50 cm²
• 30 cm²
• 100 cm²

What is the semi-perimeter of an equilateral triangle with side 10 cm?

• 10 cm
• 15 cm
• 30 cm
• 5 cm

For an isosceles triangle with unequal side 8 cm and equal sides 5 cm, what is the area using Heron's formula?

• 12 cm²
• 10 cm²
• 20 cm²
• 15 cm²