Lp(Limas) = Luas Alas + 4×Luas segitiga tegak
Luas alas = 10 × 10 = 100
*Tinggi Segitiga = √12² + 5² = 13
Luas Segitiga = ½ × 10 × 13 = 65
Jadi Lp(Limas) = 100 + 4×65 = 100 + 260
= 360 cm²
x = √( 12² + 5² )
x = √( 144 + 25 )
x = √169
x = 13 cm
Lp = La + ( 4 × Ls )
Lp = ( s × s ) + ( 4 × 1/2 × a × t )
Lp = ( 10 × 10 ) + ( 2 × 10 × 13 )
Lp = 100 + ( 20 × 13 )
Lp = 100 + 260
Lp = 360 cm²
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Lp(Limas) = Luas Alas + 4×Luas segitiga tegak
Luas alas = 10 × 10 = 100
*Tinggi Segitiga = √12² + 5² = 13
Luas Segitiga = ½ × 10 × 13 = 65
Jadi Lp(Limas) = 100 + 4×65 = 100 + 260
= 360 cm²
Verified answer
x = √( 12² + 5² )
x = √( 144 + 25 )
x = √169
x = 13 cm
Lp = La + ( 4 × Ls )
Lp = ( s × s ) + ( 4 × 1/2 × a × t )
Lp = ( 10 × 10 ) + ( 2 × 10 × 13 )
Lp = 100 + ( 20 × 13 )
Lp = 100 + 260
Lp = 360 cm²