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

Question

3 years ago

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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

Mathematics

1 answer:

Zepler [3.9K] · Answer 1 · 2021-12-15T00:23:00+03:00

Since angle HBC is a right angle, therefore it's 90 degree. So to prove that ΔABC (pre-image) and ΔIBH (image) use the same amount of fabric, point B should be rotated 90 degree clockwise. Thank you for posting your question. I hope that this answer helped you. Let me know if you need more help.