Sylvia’s aunt asked her to help cut out fabric for a quilt. The figure shows the pattern of one section that is made of triangle
s. (See attachment)
What degree of rotation clockwise about point B should Sylvia use to prove that ΔABC (pre-image) and ΔIBH (image) use the same amount of fabric?
______° clockwise
What degree of rotation clockwise about point B should Sylvia use to prove that ΔABC (pre-image) and ΔIBH (image) use the same amount of fabric?
______° clockwise
1 answer:
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Answer:
1) x= 3i, x= - 3i
2) x= +i, x = - i
Step-by-step explanation:
1) x^2+9=0
(x+3i)(x-3i)=0
x= 3i, x=-3i
2) x^2-4=-11
x^2=-7
x= ±i
x= +i, x = - i
hope this helps!! :))