Answer:
The area of the pyramid is 360 unit²
Step-by-step explanation:
Given
Base Edge, a = 10
Height, h = 12
Required
Determine the surface area
The surface area of a regular pyramid is calculated as thus;

Substitute values for a and h

Evaluate all squares



Take positive square root of 169



<em>Hence, the area of the pyramid is 360 unit²</em>
Answer:
Step-by-step explanation:I divided 4 an 20 an I got 5
Answer:
-850 m
Step-by-step explanation:
New position = - 1300 +450 = - 850 m