If there are 4 complementary angles, what is the angle sum?
360o
True or false?
Scalene triangles have uneven sides AND angles.
True.
Angle sum of a square is ______________
360 degrees
If a triangle is congruent, what does this mean?
It is identical, regardless of whether it is flipped.
State pythag theorem
a2+b2=c2
State what the difference of Complementary and Supplementary is.
Complementary adds up to 90 degrees (right angle) whilst supplementary adds up to 180 degrees (straight line)
In an equilateral triangle, what is each angle?
60 degrees for each
In a standard parallelogram, the top left angle is 123o and the bottom left angle is 51o. Find the rest of the angles.
Top right angle = 51o
Bottom right angle = 123o
What do the 3 lines of congruency mean?
Equal Sides
Equal Angles
Equal Order
5x/4 +5 = 31
SOLVE
x=5/7
What do co-interior angles mean
The angles must be created by a line connecting 2 parallel lines, and add up to 180 degrees
If one angle is 50o and another is 73o, what is the other angle (with reasoning)
57o
(angle sum of a triangle is 180o)
In a pentagon, if 1 angle is 150o, another angle 175o, another angle 115o, and the other 2 angles being x, find x.
50o
How many lines are used for writing congruency, and what is the purpose of each line?
5 Lines:
Intro (eg. in triangle [insert] and [insert]
REASON 1
REASON 2
REASON 3
Conclusion (eg. hence, [insert]congruent[insert]
1,4,6,3,4,6,8,1,6,7
Find the median of these numbers.
median = 5
Alternate angles
Corresponding angles
If there is an exterior angle (of a line extending from one side) what does this mean?
This exterior angle is equal to the 2 opposite angles of the triangle
What is the formula to find angle sum of [insert shape]
180(x-2) when x is the number of sides of the shape
State all reasonings for congruent triangles and their meanings
(SSS) Side Side Side
(SAS) Side Angle Side
(AAS) Angle Angle Side
(RHS) Rightangle Hypotenuse Side
name the 4 parts of a venn diagram.
pls don't use your books, that is cheating and points will be deducted.
Box, both circles and the part in between them.
In a Euclidean plane (transversal + parallel lines), how many pairs of equal angles are there?
10 (4 pairs of vertically opposite, 2 pairs of alternate angles, 4 pairs of corresponding angles)
In a triangle with 2 equal sides, the vertex is 36o. The bottom 2 angles are 4x each. find x.
x=18
In a heptagon, one angle is 102o, another 2 angles are 150o, and another 3 angles are 130. Find the final angle.
Final angle = 108
Fill in the blank:(triangle already proved congruent)
In triangle ABC and triangle DEF,
AB = DE (given)
angle ABC = angle DEF (given)
___________(given)
Hence, triangle ABC is congruent to triangle DEF
BC = EF
1234x9999
no calculator or device allowed
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