Jeopardy! 100 200 300 400 500 Math fun! Vocabulary Truths about Triangles Midsegments Inequalities Relationships in Triangles Math fun! 100 200 300 400 500

Vocabulary 100 A segment whose endpoints are at the vertex of a triangle and the midpoint of the side opposite is a…

Vocabulary 100 MEDIAN

Vocabulary 200 A perpendicular segment from a vertex to the line containing the side opposite the vertex is called a(n)…

Vocabulary 200 ALTITUDE

Vocabulary 300 A point where three lines intersects is called a(n)…

Vocabulary 300 POINT OF CONCURRENCY

Vocabulary 400 The point of concurrency of the angle bisectors of a triangle is called the…

Vocabulary 400 INCENTER

Vocabulary 500 The point of concurrency of the altitudes of a triangle is called the…

Vocabulary 500 ORTHOCENTER

Truths about Triangles 100 The largest angle of a triangle is across from the _________ side.

Truths about Triangles 100 The largest angle of a triangle is across from the _________ side. longest

Truths about Triangles 200 Given points A(1, 3) B(5, 1) and C(4, 4) does point C lie on the perpendicular bisector of segment AB?

Truths about Triangles 200 NO

Truths about Triangles 300 The vertices of a triangle lie at (0, 4) (0, 0) and (-4, 0). Find the center of a circle that would be circumscribed about this triangle.

Truths about Triangles 300 (-2, 2)

Truths about Triangles 400 Given A(0,6) B(0,0) and C(5,0), find the coordinate(s) of the endpoint(s) of the midsegment that is parallel to BC.

Truths about Triangles 400 (0, 3) and (2.5, 3)

Truths about Triangles 500 Charles was making triangles with sticks. If he has a 6 – inch stick and a 3 – inch stick which stick can he NOT use to form a triangle. A. 4 in. B. 5 in. C. 3 in. D. 7 in.

Truths about Triangles 500 Charles was making triangles with sticks. If he has a 6 – inch stick and a 3 – inch stick which stick can he NOT use to form a triangle. C. 3 in.

Midsegments 100 Find the value of x.

Midsegments 100 X = 9

Midsegments 200 Find the value of x.

Midsegments 200 X = 10

Midsegments 300 Find the perimeter of triangle ABC.

Midsegments 300 Perimeter = 18 units

Midsegments 400 Find the value of x and y.

Midsegments 400 X = 6 Y = 13/2

Midsegments 500 Marita is designing a kite. The kites diagonals are to measure 64 cm and 90 cm. She will use ribbon to connect the midpoints of its sides that form a pretty rectangle inside the kite. How much ribbon will Marita need to make the rectangle connecting the midpoints?

Marita will need 154 cm of ribbon. Midsegments 500 Marita will need 154 cm of ribbon.

Inequalities 100 If a = b + c and c > 0, then a > b is which property of inequality?

COMPARISON PROPERTY OF INEQUALITY Inequalities 100 COMPARISON PROPERTY OF INEQUALITY

Inequalities 200 Two sides of a triangle have measure of 12 meters and 22 meters what are the possible measures of the 3rd side?

Inequalities 200 10 < s < 34

Inequalities 300 Can a triangle have lengths of 2 yds, 9 yds, and 15 yds?

Inequalities 300 NO

Inequalities 400 If KM = 10, LK =3x+2 and ML=5x, and the perimeter of the triangle is 44, find the order of the angles from smallest to largest.

Inequalities 400

Inequalities 500 Given the measures of three angles in a triangle as determine the lengths of the sides from longest to shortest.

Inequalities 500

Relationships in Triangles 100 If a point lies on the perpendicular bisector of a segment, what holds true about its distance from the endpoints of the segment?

Relationships in Triangles 100 The distance from the point to each endpoint of the segment is the same.

Relationships in Triangles 200 Solve for x.

Relationships in Triangles 200 x = 12

Relationships in Triangles 300 Point C is the centroid of triangle DEF. If GF, G being the midpoint of segment DE, is 9 meters long, what is the length of CF?

Relationships in Triangles 300 CF = 6 meters

Relationships in Triangles 400 Find the slope of the altitude drawn from vertex A.

Relationships in Triangles 400 Slope of the altitude = 2

Relationships in Triangles 500 Find the equation of the line that is the perpendicular bisector of segment CA, in slope intercept form.

Relationships in Triangles 500

Math Fun! 100 The next three terms in the sequence: 1, 1, 2, 3, 5, 8, …

Math Fun! 100 13, 21, 34

Math Fun! 200 The point where the two equations y = 2x – 2 and 7x – 3y = 11 intersect.

Math Fun! 200 (5, 8)

Math Fun! 300 Write the contrapositive for the statement “If my attitude in geometry is good, then I will have fun.”

Geometry, then my attitude Math Fun! 300 If I do not have fun in Geometry, then my attitude is not good.

You will see this question Math Fun! 400 You will see this question for 4 seconds. 36,222 x 2 =? (Without using a calc.)

Math Fun! 400 72,444

What is Mrs. Geltner’s maiden name? Math Fun! 500 What is Mrs. Geltner’s maiden name?

Math Fun! 500 Alex