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3) A star is made up of 4 equilateral triangles and a square.If the side of the triangle is 8 units,what is the SURFACE AREA of the star? T 8 units​

Respuesta :

elzny

Answer:

91.71 unit²

Step-by-step explanation:

equilateral triangles area = 1/2*√3*base =  1/2*√3*8 = 4√3

4 triangles = 4*  4√3 = 16* √3 = 27.71

square area = 8*8*= 64

total =91.71

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