Baca Juga: Soal PAT Matematika kelas 8 Semester 2 dan Kunci Jawaban Part 2 Full Pembahasan Terbaru 2022
Kunci Jawaban
11. b
ACB = 1/2 AOB
ACB = 1/2 (180°-130°)
ACB = 50°
12. a
p² = l² + (R - r)²
p² = 24² + (9 - 2)²
p² = 24² + 7²
p² = 576 + 49
p²= 625
p = √625
p = 25
13. a
d = 24 cm
p = 26 cm
(R + r)² = p² - d²
= 26² - 24²
= 676 - 576
= 100
R + r = √100
R + r = 10
6 + r = 10
r = 10 - 6
r = 4 cm