the diagram shows a prism whose cross-section is a square. The length of the base of the prism is 19cm and its volume is 1539cm^3. What is the total surface area of prism?

step-by-step explanation:

ask goog great chance of finding the solution there

the answer is simply just 6n add the two together as they have an n

a

step-by-step explanation:

jjddbdhid r

answer: cos [   arcsin (3/5) - arccos (1/2) ] =

step-by-step explanation: × = 3/5 = 0.6--> x = 36.87 and x = 180 - 36.87 = 143.13 deg

cos y = 1/2 --> y = +- 60 deg a. cos (x - y) = cos (143.13 - 60) = cos 83,13  

=

0.12

b. cos (36.87 - 60) = cos (-23.23) = 0.92