Perhatikan gambar berikut! Berapakan besar sudut PQR?

Perhatikan gambar berikut!
Berapakan besar sudut PQR?

Perhatikan gambar berikut! Berapakan besar sudut PQR?

Jawaban yang benar adalah 60°.

Pembahasan :
Sudut-sudut yang berada pada suatu garis tegak lurus memiliki total sudut yang besarnya sama dengan 90°.

Penyelesaian :
∠SQR + ∠PQR = ∠PQS
x° + 2x° = 90°
3x° = 90°
x° = 90°/3
x° = 30°

∠PQR = 2x°
∠PQR = 2(30)°
∠PQR = 60°

Jadi, besar ∠PQR adalah 60°.

Baca Juga :  Every mornIng I 1.____ at five o'clock. First. I go to the 2.____. I 3.____ my teeth and take a bath. After that, I get 4.____ and comb my hair. Then I go to the 5.____. I eat sandwich and a glass of milk for breakfast. Then, I go to 6.____ by my 7.____. I 8.____ at school and then I study. I go 9.____ at one o'clock. I have 10.____ and play with my friends. In The evening, I 11.____ dinner with my family and then we 12.____ watching TV. I do my 13.____. I go to 14.____ at half past nine.