This trapezium is drawn on a centimetre grid. Find the area of the trapezium.
1 answer:
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To answer the question we make the sum on the left side of the equation:
Since both sides are exactly the same. this equation is always true.
For this case we have the following function:
We want to find the inverse of the function.
The first thing we should do is rewrite the function:
From here, we clear the value of x.
We have then:
Then, returning the variable changes, we have that the inverse function is:
Answer:
The inverse function of f (x) is:
Answer:
m∠EFH = 21°
m∠EFG = 83°
Step-by-step explanation:
We know that m∠EFH + m∠HFG will be equal to m∠EFG.
Since we know the values of each, we can make the equation:
Let's solve for x by isolating it on one side.
Combine like terms:
Subtract 11 from both sides:
Subtract 5x from both sides:
Divide both sides by 13:
Now that we know the value of x, we can substitute it inside the formulas for m∠EFH and m∠EFG.
m∠EFH:
m∠EFG:
Hope this helped!