The formula for diameter is:
circumference/pi (3.14)
If the circumference is 443, we can divide that by pi.
The answer would then be choice b (141).
Observe the figure given.
Given: ABCD is a parallelogram.
To prove: ABCD is a rhombus
Statement
1. ABCD is a parallelogram. AC bisects
.
Reason: Given
2. 
Reason: Definition of an angle bisector
3. 
Reason: Reflexive property of congruence
4. 
Reason: ASA Postulate
5. 
Reason: corresponding parts of congruent triangles are equal.
6. 
Reason: Opposite sides of the parallelogram are congruent.
7. 
Reason: Transitive property of congruence
8. ABCD is a rhombus
Reason: Definition of rhombus
Answer:
22.5
Step-by-step explanation:
1/4*6= 1.5
3*7= 21
21+1.5= 22.5
hope this helps <3