right angle

US /ˌraɪt ˈæŋ.ɡəl/
UK /ˌraɪt ˈæŋ.ɡəl/
"right angle" picture
1.

sudut siku-siku

an angle of 90°, as in a corner of a square or at the intersection of two perpendicular straight lines

:
The two walls meet at a perfect right angle.
Kedua dinding bertemu pada sudut siku-siku yang sempurna.
Draw a line perpendicular to the base to form a right angle.
Gambarlah garis tegak lurus terhadap alas untuk membentuk sudut siku-siku.