Atriangle has angle measurements of 53°, 27°, and 100°. what kind of triangle is it?

acute
right
obtuse

Step-by-step explanation:

It's an obtuse.  A triangle is considered acute if all 3 angles are acute; it is considered obtuse if one of its angles is obtuse.  Ours has a 100 degree angle, so it is obtuse.

a box 3 3/4 feet long or 4+ feet.

step-by-step explanation:

to find the perimeter of the rectangle this is the expression:

x-9+x-9+3x-4+3x-4=138

if we simplify it:

8x-26=138

remember, 138 is what it all adds up to

the length is 11.5cm

the width is 57.5cm

the area is 661.25cm^2

the answers might not be correct use at own risk