Answer:
(c) micrograms (µg)
Step-by-step explanation:
Answer:

Step-by-step explanation:
we know that
An exterior angle of a triangle is equal to the sum of the opposite interior angles.
see the attached figure to better understand the problem
so
∠DEF=∠ECD+∠CDE
substitute the given values

solve for x
Combine like terms

Group terms



Find the measure of angle CDE

substitute the value of x

Perimeter = 0.75 * 3 = 2.25 <span>inches</span>
Answer:
i guess it is d
Step-by-step explanation:
make it braintliest please
3 x 2.4 =7.2
7.2 + 2.8=10