I believe it’s 3.5 but I could totally be wrong I’m not much help at all
Answer:
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Step-by-step explanation:
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Answer:
let remaining angle in heptagon be a.
a+64=180(linear pair)
a=116
again
x+155+90+163+a+121°=720(sum of interior angle of hexagon is (6-2)×180°)
x+529+a=720
x+116=720-529
x=191-116=75
Volume of a cube = 1/3 volume of cube = 1/3 * 36 = 12 cubic feet.
Move all the x terms to one side and solve for x. 15x-10x=21-6 : 5x/5=15/5 : x=3