Answer:
A cylinder with a base radius of 7cm and a height of 12 cm.
All of the above. it is a three dimensional pyramid, and a "polyhedron" means it is triangular.
Answer:
2/3
Step-by-step explanation:
1/3 is the same as 3/9 (multiply 3 to both numerator and denominator) 3/9+3/9 is 6/9. 6/9 can be simplified by dividing 3 to both sides to get 2/3.
Answer:
x is 75° ........................
CosA = 12/20 which is 3/5