Flashcard U5 Triangles

Front

What is the height of a building if it is measured to be 35.7 units?

Back

The height of the building is 35.7 units.

Front

What type of triangle has one angle measuring more than 90 degrees?

Back

An obtuse triangle.

Front

Solve for x in the equation where x is one of the angles in a triangle: x + 30 + 60 = 180.

Back

x = 90 degrees.

Front

If a triangle has sides measuring 8, 10, and 20, can these be the lengths of the sides of a triangle?

Back

No, these cannot be the lengths of the sides of a triangle.

Front

What is the formula to find the height of a triangle given the area and base?

Back

Height (h) = (2 * Area) / Base.

Front

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

Back

The sum of the interior angles of a triangle is 180 degrees.

Front

What is the Pythagorean theorem?

Back

Front

What is an acute triangle?

Back

An acute triangle is a triangle where all three angles are less than 90 degrees.

Front

What is a right triangle?

Back

A right triangle is a triangle that has one angle measuring exactly 90 degrees.

Front

If the lengths of two sides of a triangle are 5 and 12, what is the maximum length of the third side?

Back

The maximum length of the third side is less than 17 (5 + 12).