Geometry – Circle Area

Illustrated below is a quarter-circle, containing two semicircles of smaller circles. Prove that the red segment has the same area as the blue.

Why does red = blue?

April 28, 2016 at 12:29 am 2 comments

⚡Presentation ‘Math Groups Now What? Josh Holt, Principal Catherine Castillo, Numeracy Coach Portland Elementary.’

Math Groups Now What? Josh Holt, Principal Catherine Castillo, Numeracy Coach Portland Elementary.

Source: ⚡Presentation ‘Math Groups Now What? Josh Holt, Principal Catherine Castillo, Numeracy Coach Portland Elementary.’

March 8, 2016 at 5:31 pm Leave a comment

⚡Presentation ‘Holt Algebra 1 8-2 Factoring by GCF 8-2 Factoring by GCF Holt Algebra 1 Warm Up Warm Up Lesson Presentation Lesson Presentation Lesson Quiz Lesson Quiz.’

Holt Algebra 1 8-2 Factoring by GCF 8-2 Factoring by GCF Holt Algebra 1 Warm Up Warm Up Lesson Presentation Lesson Presentation Lesson Quiz Lesson Quiz.

Source: ⚡Presentation ‘Holt Algebra 1 8-2 Factoring by GCF 8-2 Factoring by GCF Holt Algebra 1 Warm Up Warm Up Lesson Presentation Lesson Presentation Lesson Quiz Lesson Quiz.’

March 8, 2016 at 2:19 am Leave a comment

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