Angles
How many degrees is a right angle?
90
7
-7
2x=10
x=5
Write the expression
4 increased by 2
4+2
2+9
2
How many degrees are in a straight angle?
180
12x
-12x
2+4x=30
x=7
Three ways can you get to 10?
ask teacher
3(9)
1
How many degrees are in a full circle?
360
-3x and 8
3x and -8
DAILY DOUBLE!!!!
2x+7=37
x=15
What is the probability of drawing a 4 out of a standard deck of cards?
4/52 or 1/13
7+2(2)-3
3
2 angles that add up to 90 degrees are ___________ angles.
complementary
34y2
-34y2
4x+25=125
x=25
An angle that is less than 90 degrees is a _____________ angle and an angle that is greater than 90 degrees is a ____________ angle.
acute obtuse
4-6(4)
2
2 angles that add up to 180 degrees are __________ angles.
supplementary
4,532xy
-4,532xy
2(x+4)=52
x=22
What operation are we using if we split something into equal groups?
division
2(3)+2(7)+3(2)-20
4