Answer:
Triangles ABC and DCB are congruent by SAS
Step-by-step explanation:
Angle CAB is congruent to angle CDB. Side DB is congruent to side AC. Then Ab is congruent to side CD.
Answer:
12
Step-by-step explanation:
Area = length * width
length = area ÷ width
The LCM or least common denominator would be 63.
21 times 3 = 63
9 times 7 =63
