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Find the area of each figure below

Find The Area Of Each Figure Below class=

Sagot :

Answer:

25. [tex]27a^{3}b^{2}[/tex]

26. [tex]3\pi x^{3}y[/tex]

Step-by-step explanation:

For 25:

[tex]A = \frac{a+b}{2} h[/tex]  (area of a trapezoid)

[tex]A=\frac{11a^{2}b+7a^{2}b}{2} *3ab[/tex]  (substitute terms)

[tex]= \frac{18a^{2}b}{2}*3ab[/tex]  (collect like terms)

[tex]= 9a^{2}b*3ab[/tex]  (reduce the fraction by crossing out 2)

[tex]= 27a^{3}b^{2}[/tex]  (calculate)

For 26:

[tex]A=\pi r^{2}[/tex]  (equation of area of a circle)

[tex]A=\pi (3x^{3} y)^{2}[/tex]  (enter the radius)

[tex]= 3\pi x^{3} y[/tex]  (communtative property to reorder the terms)

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