All of them or a specific one?
Answer:
only a is the right triangle
Step-by-step explanation:
only a is the right triangle because it satisfies the pythagorean theorem.
a.)

while b,
b.)

Answer:
Angle A =35
Step-by-step explanation:
ok that is a triangle
look exterior plus interior is 180
corresponding angles
x+74
now lets solve for the angle a
triangle = 180 degrees
180=73+x+74+37+x
combine like terms
x=−2
now plug in for angle a
37+(-2)
=35
7.03 can be converted to 7 3/100.
.03 is the equivalent to 3 hundredths, we know this because it in the hundredths place.
A. -0.3 equals (=) -0.3 so that's false
B. 7/8 is less than (>) 9/10
C. 1 2/3 is less than (<) 1.7
D. -1.2 is less (<) 0.521