Jawab pertanyaan saya pls

Jawaban:
1.a) BC = √20²+15² = √625 = 25 cm
b) ( 2×150 )+ (560) +(700) + (420) = 1980 cm ²
2.a) BC = √225+64 = √289 = 17 cm
b) (2×120) + (2×340) + 320 = 1240 cm²
Jawaban:
1.a) BC = √20²+15² = √625 = 25 cm
b) ( 2×150 )+ (560) +(700) + (420) = 1980 cm ²
2.a) BC = √225+64 = √289 = 17 cm
b) (2×120) + (2×340) + 320 = 1240 cm²