Answer:
The length of the diagonal AC=20 cm.
Step-by-step explanation:
From ΔOBP and ΔABC, we have
( O and P are mid points)
∠B=∠B(Common)
Therefore, by SAS rule,
ΔOBP is similar toΔABC
Thus, 
⇒
⇒
⇒
⇒
Thus, the length of the diagonal AC=20 cm.
Answer:
my quess is c
Step-by-step explanation:
but im not for sure just a guess
The total surface area of this triangular prism is 928cm
Answer:
6 : 11
Step-by-step explanation:
the ratio 6 : 11 applies to all linear measure in the similar polygons
Both side lengths and perimeter are linear, hence
ratio of both is 6 : 11
Answer:
4.71
Step-by-step explanation:
3* pi = 9.42
9.42/2 = 4.71