X^2 = (13)^2 - 5^2
X = √144
X = 12
c. Nilai a
a^2 = (10,6)^2 - (5,6)^2
a^2 = (10,6 + 5,6) x (10,6 - 5,6)
a^2 = (16,2) x (5)
a = √81
a = 9 inci
X^2 = (13)^2 - 5^2
X = √144
X = 12
c. Nilai a
a^2 = (10,6)^2 - (5,6)^2
a^2 = (10,6 + 5,6) x (10,6 - 5,6)
a^2 = (16,2) x (5)
a = √81
a = 9 inci
Editor: Ratna Dwi Mayasari
Sumber: Buku Kemendikbud