Englishfor English speakers
inside
Preposition
—
If mathx/math is or moves inside mathy/math, it is in mathy/math.
He locked his keys inside his car.
Outside was cold, but he was warm inside the house.
I put my pen inside my bag.
Let's look inside here.
Don't stand out here. Come on inside.
inside
Noun
—
The inside of something is the part that you can't see or can't touch because other parts are around it.
The inside of my mouth hurts.
Outside, the building was dark and grey, but the inside was bright and beautiful.
angle
Noun
—
When two straight lines come together, they make an angle.
A 90° angle is called a right angle.