emilyveal15 emilyveal15

23-05-2021
Mathematics

contestada

Help me find the surface area :)

Help me find the surface area class=

Respuesta :

ferrybukantoro ferrybukantoro

23-05-2021

Answer:

Step-by-step explanation:

unknown base side = √7²+7²= √98=7√2

SA = (2×½×7×7)+ (7+7+7√2)(10)

= 49 + 140 + 70√2

= (189 + 70√2) ft²

or

= 287.99 ft²

Answer Link

23-05-2021

I also got 289 as an answer

Answer Link

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