3/2 R = 12
R = 12 / (3/2)
R = 18
Answer:
Negative.
Step-by-step explanation:
A negative exponent. For example, 0.025 in scientific notation is 2.5*10^-2.
9: B right
10: C obtuse
11: B right
12: B right
I hope they are right! Sorry if they are not!
The answer is a, all rhombuses have equal sides, if they have equal sides then day have equal angles.