Quiz on Inscribed Circle in a Triangle

What is the first step in finding the radius of the circle inscribed in the triangle?

• Calculate the perimeter of the triangle

• Find the area of the triangle using Heron's formula

• Determine the type of triangle

• Measure the angles of the triangle

What is the semi-perimeter of the triangle with sides 8, 9, and 10 units?

• 15 units

• 12.5 units

• 14 units

• 13.5 units

Using Heron's formula, what is the approximate area of the triangle?

• 30.5 square units

• 32.1 square units

• 36.5 square units

• 34.197 square units

How are the smaller triangles within the main triangle used to find the radius of the inscribed circle?

• By calculating their perimeters

• By using their areas to form an equation

• By measuring their angles

• By comparing their side lengths

What is the approximate radius of the circle inscribed in the triangle?

• 2.75 units

• 2.53 units

• 3.14 units

• 1.75 units