Congruent Figure
Triangle ABC ≅ Triangle DEF. If AB = 2x + 3 and DE = 13, find x.
x=5
Triangle XYZ ~ triangle ABC. If XY = 5, YZ = 10, and AB = 15, find the scale factor.
3
Use trig to find the angle if opposite = 7 and hypotenuse = 10.
44.4°
A rectangular prism has l = 6, w = 4, h = 3. Find surface area.
108 units²
A bag has 5 red, 3 blue, and 2 yellow marbles. P(red)?
1/2
Triangle JKL ≅ triangle MNO. If angle J = 50° and angle L = 65°, find angle K and its corresponding angle.
K = 65°, corresponding angle = angle O
A triangle has sides 6, 8, and 10. A similar triangle has a shortest side of 9. What are the other sides?
12 and 15
In a right triangle, leg = 5, hypotenuse = 13. Find the other leg.
12
Volume of a cone with r = 3, h = 12 (π ≈ 3.14)
113.04 units³
Number 1–20 chosen. P(it’s a multiple of 4)?
1/4
Explain why SSA is not a valid triangle congruence rule.
SSA is not valid because it can lead to multiple triangles
Two polygons are similar with scale factor 4:7. If the larger perimeter is 140 units, what is the smaller’s?
80 units
Triangle has angle A = 41° and adjacent side = 12. Find hypotenuse.
15.9
SA of a cube is 294 cm². Find side length.
7 cm
Spinner with 8 sections (3 red). P(red three times, with replacement)?
27/512