Answer:
5
+40
Step-by-step explanation:
perimeter of circle=2
r
so 5 is r(radius)
so 10
, but since it’s semicircle, you have to divide by 2, so
5
perimeter of rectangle=15+10+15 because you don’t count the inside, so that equals 40
so 5
+40
The answer is C (3rd answer choice) O {-8,8}.
Answer:
Na20+H20 -> 2NaOH
Step-by-step explanation:
Answer:
-8
Step-by-step explanation:
It's basically -4-4. Which means -(4+4) = -8.
Answer:
Option D is correct.

Step-by-step explanation:
In triangle ADE and triangle ABC
From the figure:
[Angle] [Given]
[Angle]
AA(Angle-Angle) similarity criterion states that in two triangles if two pairs of corresponding angles are equal, then these triangle Similar.
By AA similarity:
⇒