There is a mistake 9,12,13 is not a right triangle. but 9,12,15 is. IF you use this triangle instead, then the area of the 13,14,15 triangle is the sum of the area of the other two triangles.
Answer:
A
Step-by-step explanation:
B and D have to be supplementary otherwise it wouldn't be a parallelogram
Answer:
maybe y= 9 because side A B is 10 and side C D is almost the same just sleep slightly shorter.
I’m so proud :)!!!! Good job at using your resources
Answer:
18pi units³ or 56.5 units³ (3 sf)
Step-by-step explanation:
pi×r²×h - (4/3)(pi×r³)
r = 3 h = 2r = 6
pi(3²×6 - (4/3)(3³))
18pi units³