Answer:
area of trapezium: -
formula...
½(sum of parallel sides)×height=area
=>240=½(12+x)×12
=>240=(12+x)×6
=>240=60+6x
=>6x=240-60
=>6x=180
=>x=180/6
=>x=30cm
therefore, the value of x is 30 cm.
Step-by-step explanation:
hope it helps u
Answer: 
Required theorem:
Pythagorean theorem = 
In other words, one side length squared + another side length squared = the middle lined squared.
Step-by-step explanation:
We can only have a positive distance so your final answer is :
Answer:
Tom will be paid $140 in 10 days
Step-by-step explanation:
So in a proportion you multiply, in this case you have to combine the z with the 3 to create 3z.
12/24
The answer is 15. Why because you flip the 2/3 to be 3/2 and it cancels out 2/3 leaving x=10 take the 3/2 and multiply the 3 times 10 which is 30 and divide by 2 which gives you the answer 15.
