Answer:
CPCTC
Step-by-step explanation:
You already proved that triangle BAD is congruent to CAD, this means that all of the corresponding angles and sides with be congruent (CPCTC). That means BD is congruent to CD. Hope this helps!
If you are trying to name them the first and 2nd one are cones, the third is a triangular pyramid and I believe the last one is called a square pyramid
Ok so the answer is <span>Students in Class 1 took less time to complete the test than students in Class 2, and their times were more variable. Im 10000% positive</span>
Answer: 10
Step-by-step explanation:
Just divide 40 by 4 and you get 10