Discovering Geometry Unit Two Review

TRUE/FALSE If the base angles in an isosceles trapezoid each measure 100°, then the other two angles each measure 80°.

TRUE/FALSE It is possible to construct a triangle with side lengths 6, 10, and 16.

TRUE/FALSE In Δ ABC, if AB=10, BC=7, and AC=9, then A is the largest angle.

TRUE/FALSE In an isosceles triangle, the median from the vertex angle to the opposite side is also an altitude to that opposite side.

TRUE/FALSE The measure of a major arc in a circle is greater than 180°.

CONGRUENT TRIANGLES

CONGRUENT TRIANGLES

CONGRUENT TRIANGLES

CONGRUENT TRIANGLES

CONGRUENT TRIANGLES

FILL-IN In an isosceles trapezoid, the diagonals are ________________.

FILL-IN Each interior angle in a regular octagon measures ______________.

FILL-IN The midsegment between two sides of a triangle is _______________ to the third side.

FILL-IN If each exterior angle in a regular polygon measures 90°, then that polygon has __________ sides.

FILL-IN The diagonals in a ___________ are both perpendicular AND congruent.

MISSING VALUES

MISSING VALUES

MISSING VALUES

MISSING VALUES

MISSING VALUES

ALWAYS, SOMETIMES, or NEVER? The diagonals in a parallelogram bisect each other.

ALWAYS, SOMETIMES, or NEVER? Each angle in a pentagon measures 120°.

ALWAYS, SOMETIMES, or NEVER? A square is a rectangle.

ALWAYS, SOMETIMES, or NEVER? The diagonals in a kite are perpendicular to each other.

ALWAYS, SOMETIMES, or NEVER? The diagonals in a rhombus are congruent to each other.