besar sudut Q O R adalah
Jawaban:
sudut POQ = 90° (POR & QOR saling berpenyiku)
3x+8 + 2x-3 = 90°
5x = 90° - 5°
x = 85° ÷ 5
x = 17°
QOR = 2x-3
= 2(17°)-3
= 31°
100 Great Children's Picturebooks
100 Great Children's Picturebooks
Jawaban:
sudut POQ = 90° (POR & QOR saling berpenyiku)
3x+8 + 2x-3 = 90°
5x = 90° - 5°
x = 85° ÷ 5
x = 17°
QOR = 2x-3
= 2(17°)-3
= 31°