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= 10 cm
a = 1/2 x 16
= 8
b = √10² - 8²
= √100-64
= √ 36
= 6
d = 2 x6
=12
luas = 1/2 x 12 x 16
= 96 cm²
⇒ 4s = 40
⇒ s = 40/4
⇒ s = 10 cm
d1 = 16 cm ⇒ 1/2 · d1 = 8 cm
Sehingga
(1/2 · d1)² = 10² - 8²
= 100 - 64
= 36
1/2 · d1 = √36
1/2 · d1 = 6 cm
d1 = 12 cm
Jadi,
L = (1/2)(d1)(d2)
= (1/2)(16)(12)
= 96 cm²
Terimakasih semoga membantu