luas bangun gabungan diatas adalah.. [tex]a.397 cm^{2} [/tex] [tex]b.398 cm^{2} [/tex] [tex]c.399 cm ^{2} [/tex] [tex]d.400 cm {}^{2} [/tex]
Matematika
LiliMitsuki1
Pertanyaan
luas bangun gabungan diatas adalah..
[tex]a.397 cm^{2} [/tex]
[tex]b.398 cm^{2} [/tex]
[tex]c.399 cm ^{2} [/tex]
[tex]d.400 cm {}^{2} [/tex]
[tex]a.397 cm^{2} [/tex]
[tex]b.398 cm^{2} [/tex]
[tex]c.399 cm ^{2} [/tex]
[tex]d.400 cm {}^{2} [/tex]
1 Jawaban
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1. Jawaban safiranurfa31
luas trapesium + luas ½ lingakaran
=½x(28+20)x10+1/2x3,14x10x10
=240-157=397 cm²
A