Answer:

Step-by-step explanation:
see the attached figure to better understand the problem
we know that the area of the room is equal to the area of a rectangle plus the area of a trapezoid
step 1
Find out the area of the rectangle

step 2
Find out the area of the trapezoid

step 3
Sum the areas

substitute the values

Salutations!

value of

Multiply 10 and 3

Now, you can solve the equation --

separate the variables aside, and the numbers aside.




Hope I helped (:
Have a great day!
Answer: 4
Step-by-step explanation:
Using the 30°-60°-90° Triangle Theorem we know that the base side is half of the hypotenuse. That means it is half of 8 which is 4
Answer:
45
Step-by-step explanation:
(7-4)=3
3^2=9
9*5=45
The first on is the tenth place
the second one is the tenth place
the third one is the tenth place
the last one is the millionth place
hope i helped :) i might be wrong though