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Presentation transcript:

It’s Jeopardy! Special Edition

Category 1Category 2Category 3Category 4Category

GIVE 3 STATEMENTS ABOUT A MIDSEGMENT

1. MIDSEGMENT IS ½ OF THIRD SIDE 2. MIDSEGMENT IS PARALLEL TO THE 3 RD SIDE. 3. CONNECTS THE MIDPOINTS

A TRIANGLE HAS SIDES OF LENGTH 10 AND 25. WHAT ARE POSSIBLE LENGTHS OF THE 3 RD SIDE ?

15<x<35

This point is equidistant from the vertices of the triangle.

circumcenter

“SSA” means the triangles are “always,” “sometimes” or “never” congruent.

SOMETIMES

THE EXTERIOR ANGLE OF A TRIANGLE IS THE SUM OF THE________?

2 REMOTE INTERIOR ANGLES

2 ANGLES ARE COMPLEMENTARY. THE MEASURE OF ONE IS 12 LESS THAN TWICE THE OTHER. WHAT IS THE SMALLER NUMBER?

34

TRUE OR FALSE?? THE VERTEX ANGLE IS ALWAYS BETWEEN CONGRUENT SIDES

TRUE

GIVEN PARALLEL LINES, THE ALTERNATE EXTERIOR ANGLES ARE: ALWAYS, SOMETIMES, OR NEVER, CONGRUENT.

ALWAYS

What is the point called?

What is the circumcenter?

85;25

AA~, SAS~, SSS~

What are 3 ways to prove ~ ∆’s?

Based on the diagram, which is a true which is a true statement? Ⓐ m A > m D Ⓑ m A < m D Ⓒ m A = m D Ⓓ E is the midpoint of BC

What is A?

List the sides in order from shortest to longest.

DC, BC, BD, AB, AD

If the conditional statement is TRUE then the _______________ is also always TRUE.

contrapositive

Find the slope and midpoint of a segment whose endpoints are: (1/2,-2) and 3,-1).

Slope is 2/5 and midpoint is (7/4, -3/2)

FIND THE SUM OF THE INTERIOR ANGLES AND THE SUM OF THE EXTERIOR ANGLES OF A NONAGON?

INTERIOR =1260 EXTERIOR=360

FIND THE RULE:1,5,12,22,35,51…..

(3N-1)N/2

TO ROTATE A FIGURE 120˚ CCW, YOU NEED ________LINES______APART.

INTERSECTING LINES 60˚ APART

What is the inverse the of the converse of : IF you study for final exams then you will have better grades.”?

You will not have better grades if you do not study for finals.

4, 400

Segment MP congruent to segment PQ

What should students bring to the final?

Calculator and #2 pencils with good erasers!

When is the geometry final?

Wednesday December 19 th 8:15 am

AG=17/3; EA=13; BA=12x; centroid

Always, Sometimes, Never The perpendicular bisectors of the sides of a triangle ___________passes through the midpoint of the sides. The circumcenter_________lies outside the triangle. The perpendicular bisector ________goes through the opposite vertex.

Always; Sometimes; Never

Answer 5, 400

BD and EF

Give an example of a converse error.

If you are a CHS student, then your mascot is a greyhound. The converse: If you have your mascot as a greyhound, then you are a student at CHS. (Original statement is true, converse is false.)

Final Jeopardy

Final Answer

Final Question