
Conjectures about Triangles
Presentation
•
Mathematics
•
9th Grade
•
Practice Problem
•
Medium
+4
Standards-aligned
Scott Harmond
Used 7+ times
FREE Resource
13 Slides • 17 Questions
1
2
Multiple Choice
In quadrilateral QUAD, the m∠A = 62°. What is the measure of arc DQU?
236°
62°
118°
124°
3
4
5
6
Multiple Choice
A statement that is written in the form 'if and only if p, then q' is called a ___ statement.
Conditional
Converse
7
8
Multiple Choice
What is the hypothesis in the conditional statement: 'If Estelle goes out in the rain without an umbrella, she will get wet'?
Estelle goes out in the rain without an umbrella
She will get wet
It is raining
She has an umbrella
9
Multiple Choice
Write the converse of the statement: 'If Estelle goes out in the rain without an umbrella, she will get wet.' Is this a biconditional statement? Explain your reasoning.
'If Estelle goes out in the rain without an umbrella, she will get wet.
'If Estelle gets wet, she will goes out in the rain without an umbrella.
'If Estelle goes out in the rain with an umbrella, she will NOT get wet.
'If Estelle does not get wet, she will goes out in the rain with an umbrella.
10
11
Dropdown
I believe ALL conditional and converse statements
12
13
Multiple Choice
If an angle is acute, then it has a measure of less than 90 degrees.
Find the converse
If an angle is acute, then it has a measure of less than 90 degrees.
If an angle is NOT acute, then it has a measure of greater than 90 degrees.
If an angle is less than 90 degrees then it is acute
If an angle is greater than 90 degrees then it is Not acute
14
Multiple Choice
Conditional: If it is raining, then there are clouds in the sky
Converse: If there are clouds in the sky, then it is raining
Is this a Biconditional statement
Yes both statements are true
No, it does not have to rain if clouds are in the sky
No the converse statement is the wrong statement for the given conditional
15
16
Drag and Drop
An Interior Angle is located
17
18
Labelling
Label the Angles
Exterior aangle
Interior Angle
Remote Interior Angle
19
20
Multiple Choice
According to the Triangle Sum Theorem, what is the sum of the three angles of a triangle?
90°
180°
270°
360°
21
Multiple Choice
A Linear Pair, is always = to ?
90°
180°
270°
360°
22
Multiple Choice
The Sum of the 2 Remote Interior Angles =
The Third Angle of a Triangle
Exterior Angles
Nothing
67
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24
25
Fill in the Blanks
Type answer...
26
Multiple Select
Which of the following are always true about the angles of a triangle?
The sum of the interior angles is 180°
There can be more than one right angle
All angles can be acute
There can be more than one obtuse angle
27
Open Ended
Explain how you can use the measures of two angles in a triangle to find the third angle.
28
Multiple Choice
What is the sum of the interior angles of any triangle?
90°
180°
270°
360°
29
Multiple Choice
How many minutes are you supposed to earn in MATHIA each week
30 min
45 min
60 min
120 min
30
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