Answer:
Area of the picture is 
Step-by-step explanation:
Given:
Outer rectangle dimensions are 10 cm by 12 cm.
Inner rectangle dimensions are 6 cm by 8 cm.
Area of the picture given as:

Outer rectangle area = 
Inner rectangle area = 
Therefore, the area of the picture is given:

Answer:
Option D
Step-by-step explanation:
If two triangles are said to be congruent then they have exactly the same three sides and the same three angles.
Since the option D indicates that all the three sides are equal (represented as SSS), Hence, it is the right answer
Answer:
D
Step-by-step explanation:
3^2 + 3 / 3
3^2 = 9
9 + 3 = 12
12/3 = 4
Hope this helps!!!