Congruent triangles have the exact same three sides and the exact same angles. They are identical. So if you look at your triangles carefully, they are congruent. :)
2-0/ -31 - -32
= 2-0/ -31 + 32
= 2/1
= 2
Answer:

Step-by-step explanation:

Answer:
5.48
Step-by-step explanation:
add 2.98 1.75 and 0m75
Answer:
B a = 180 -77-60
Step-by-step explanation:
The angles add to 180 degrees since they form a straight line
77+ 60+a = 180
a = 180 -77-60