Question

Menentukan Panjang Apotema lingkaran

Answer 1

Verified answer

Kelas 8 Matematika
Bab Lingkaran

PR = diameter
PR = 2 . QS
PR = 2 . 10
PR = 20 cm

QR = √(PR² - PQ²)
QR = √(20² - 16²)
QR = √(400 - 256)
QR = √144
QR = 12 cm

Panjang apotema 
= ST
= √(QS² - (1/2 . QR)²)
= √(10² - (1/2 . 12)²)
= √(100 - 36)
= √64
= 8 cm