Answer:
30.24m
Step-by-step explanation:
To find the answer, it is important to know the the formula for finding the area of a trapezoid.
Formula -
A = a + b/ 2 • h
• ‘A’ represents the total area of the trapezoid
• ‘a’ represents the first base
• ‘b’ represents the second base
• ‘h’ represents the height
Now that we know the formula, substitute the variables in the formula with the values given.
A = a + b/ 2 • h
A = 6.3 + 8.1/ 2 • 4.2
Next, solve for ‘A.’
Step 1 - Add both bases
A = 6.3 + 8.1/ 2 • 4.2
A = 14.4/ 2 • 4.2
Step 2 - Divide 14.4 by 2
A = 14.4/ 2 • 4.2
A = 7.2 • 4.2
Step 3 - Multiply
A = 7.2 • 4.2
A = 30.24
Therefore, the total area of a trapezoid with the height of 4.2m and bases of 6.3m and 8.1m is 30.24m.