Berapa Luasnya – VII

Hendra Gunawan

Perhatikan persegi panjang dengan panjang 15 dm dan lebar 10 dm dalam gambar di bawah ini.

Bila lebar strip berwarna putih sama dengan 1 dm, berapa luas total daerah berwarna biru?

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Bandung, 28-04-2020

Published by Hendra Gunawan

I'm a professor of mathematics at the Faculty of Mathematics and Natural Sciences, Bandung Institute of Technology, Bandung, Indonesia.

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