The yellow area is 4 * 3 = 12 ft^2
The green area is a trapezoid
area = 1/2 (top + bottom) * height
= 1/2 (2+4) * 1
= 1/2 (6) * 1
= 3 ft^2
total area = yellow area + green area
= 12 + 6
= 18 ft^2
Answer:
27 doesn't belongs to this group
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You can use the Pythagorean Theorem to find the length of the third side AB (Identified as "x" in the figure attached in the problem), which says that in a right angled triangle, the square of the hypotenuse is equal to the sum of the squares of the legs:
a² = b²+c²
As we can see the figure, the triangle does not have an angle of 90°, but it can be divided into two equal parts, leaving two triangles with a right angle. We already have the values of the hypotenuse and a leg in triangle "A" , so we can find the value of the other leg:
b = √(a²-c²) b = √(10²-4²) b = 9.16
With these values, we can find the hypotenuse in the triangle "B": x = √b²+c² x = √(9.16)²+(4)² x = 10
Answer:
-5/2 because there is -5y/2 but we have to take coefficient only so -5/2
So, Option C is the correct answer.
Hope this will help you.
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