Hello there,
To find the area of a circle you use an equation:
For the circumference you use:
These two equations would help you find the area as well as the circumference of a circle.
Hope I helped,
Amna
Answer:
81 :)
Step-by-step explanation:
90 = n * 123
n = 90 / 123
n = 0.731707317073170...
Here are the answer to your question
1. Rhombus
2. Diagonals are congruent
Here is the answer for the rest of the quick check if anyone needs them
3. Diagonals are perpendicular and diagonals are congruent
4. 4
