Mathematics, 25.09.2019 08:50, robert7248

(geometry)lian is making a banner for the school gym. she cut three pieces of fabric into congruent isosceles triangles, as shown.
trigonometric area formula: area = 1/2absin(c)
to the nearest square inch, how much fabric will she use to make all three triangles?
139 square inches
172 square inches
417 square inches
515 square inches

(geometry)lian is making a banner for the school gym. she cut three pieces of fabric into congruent

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(geometry)lian is making a banner for the school gym. she cut three pieces of fabric into congruent...