A short quiz for Inequalities in Triangles

What is the sum of the measures of the interior angles of a triangle?

• 45°

• 90°

• 180°

• 360°

How many congruent sides does an equilateral triangle have?

• Two

• Three

• Four

• None.

Who invented the first advanced

protractor?

• Leonhard Euler

• Capt. Joseph Huddart

• David Hilbert

• Blaise Pascal

The measure of an exterior angle of a triangle is always ____________.

• greater than its adjacent interior angle.

• less than its adjacent interior angle.

• equal to the sum of two interior opposite angles.

• less than either remote interior angle.

Two angles are complementary if the sum of their measures is _______.

• 45°

• 90°

• 180°

• 360°

It is defined as an angle that forms a linear pair with an interior angle of a triangle when a side of the triangle is extended.

If two angles form a linear pair, then they are ______.

A triangle with two congruent sides is called ______.

The first advanced protractor was invented in the year 1801.

• True

• False

Advanced protractor is a three-arm protractor and was used for navigating and

determining the location of a crew ship.

• True

• False