Geometry Midterm Review

Front

If ∆ABC ≅ ∆DEF, what side is congruent to CA?

Back

FD

Front

How do you know lines are parallel?

Back

Slopes are the same.

Front

Consider the point A at (-4, 5). Find the coordinates of A’’, the image of A after the transformation (x, y) → (-x, -y) then (x, y) → (x - 1, y + 3).

Back

(3, -2)

Front

What is the measure of ∠8 if it is given that it is supplementary to ∠7 which measures 45°?

Back

135°

Front

State if the triangles are congruent. If they are, state how you know: Triangle 1 has sides 5, 12, 13 and Triangle 2 has sides 5, 12, 13.

Back

SAS

Front

What is the definition of a parallel line?

Back

Lines that never intersect and are equidistant from each other.

Front

What is the Pythagorean theorem?

Back

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

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height.

Front

What does it mean for two angles to be complementary?

Back

Two angles that add up to 90°.

Front

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

Back

180°.