100 Practical Ways to Improve Customer Experience: Achieve End-to-End Customer Engagement in

100 Practical Ways to Improve Customer Experience: Achieve End-to-End Customer Engagement in

Matematika a. 1900 cm2
b. 1890 cm2
c. 1980 cm2
d. 9810 cm2 ​

a. 1900 cm2
b. 1890 cm2
c. 1980 cm2
d. 9810 cm2 ​

Jawaban:

c. 1980 cm²

Penjelasan dengan langkah-langkah:

Panjang sisi miring segitiga

= √15² + 20²

= √225 + 400

= √625

= 25 cm

L.Prisma = 2 × L.alas + K.Alas × tinggi

= (2 × (½ × 20 × 15)) + ((15 + 20 + 25) × 28)

= 300 + (60 × 28)

= 300 + 1680

= 1980

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