2428. 18*106 =1908 and 5*104=520. add those together and you get 2428
Answer: SAS similarity theorem
Build proportional relation:



- So, the given that <u>two sides are congruent</u> and <u>one angle equal</u>.
Theorem followed: SAS similarity theorem
Answer - 13.098 gm
Description -
Dear student,
As we know 
⇒ Mass = Density * Volume
so multiplying given Volume with the Density of gold ,we can calculate the mass of the gold . Density of gold at room temp. is 19.32 grams per cubic centimeter.
so mass of the sliver of gold = 19.32 * 0.678 = 13.098 (ans)
Answer:
x = 2
Step-by-step explanation: