congruent figures
What does congruence mean ?
something that has exactly the same measurements.
What does similarity mean?
Angles are equal sides are proportionate.
What is cosine?
Adj/hyp
What’s the formula to find volume of a cube?
Volume=length X height X width
What is the probability of a coin landing on heads?
0.5 or 50%
If two triangles are congruent , and one has 40,20,60 degree angles. What are the measures in the other triangle?
40, 20,60.
Two rectangles , ABCD , HIJK are similar but ABCD sides measure 8cm,3cm, while the longer side of HIJK measures 16cm ,what is the shorter side?
6cm
Which trig function doesnt use hypotenuse?
Tangent
What’s the volume formula for cylinder?
pie r^2 h
A box contains 5 red shoes 3 black shoes and 2 pink shoes. What is the probability of grabbing red or pink shoes?
7/10
If one hexagon has side lengths of 8cm,8cm,8cm,8cm,8cm and an interior angle of 120. What are the side lengths and corresponding interior angle in the other pentagon?
All side lengths are 8cm with the corresping interior angle of 120
What similarity formula do you not need any angels for.
SSS(side,side,side)
Given the hypothenuse and adjacent side of a right triangle what trig function would you use.
Cosine
whats the surface area of a cone?
LSA=pie r^2/r^2+h2
A bag containing 8 red marbles,5 black marbles and 7 blue. Grabbing 3 marbles out without replacement , what is the probability that the first ball is blue ,the second red and the third black?
7/171