Geometry Review for Dec Final

Front

If the measure of ∠2 is 83°, what is the measure of ∠3?

Back

97°

Front

Find the midpoint of the line segment with the given endpoints (-2,-6) and (8,8)

Back

(3,1)

Front

Classify the triangle based on both angles and sides:

Back

Obtuse Scalene

Front

Remember order matters. Which of the following is true? ∆JLK ≅ ∆XWJ, ∆LJK ≅ ∆JWX, ∆JKL ≅ ∆JXW, ∆LKJ ≅ ∆JXW

Back

∆JKL ≅ ∆JXW

Front

Classify the triangle based on the sides:

Back

Equilateral

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height

Front

What is the Pythagorean theorem?

Back

In a right triangle, a² + b² = c², where c is the hypotenuse.

Front

Define a scalene triangle.

Back

A triangle with all sides of different lengths.

Front

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

Back

180°

Front

How do you find the perimeter of a triangle?

Back

Add the lengths of all three sides.