These prisms are similar. Find the surface area of the larger prism in decimal form.?

J2016-10-01T18:52:22Z

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90/5^2 = SA/7^2
SA = 90 x (7/5)^2 = 176.4 m^2

?2016-10-01T18:52:31Z

90 * (7/5)^2 = 176.4 m^2