Answer:
20cm is the area of the shaded triangle
Answer:

Step-by-step explanation:
We first write powers of 23 and 10,000,000.This implies that,

Also,

We now multiply. This implies,



Therefore the value of 23×10,000,000

The vertex would be C. The angle is angle DCB or angle BCD
Answer:

Step-by-step explanation:
- The sum of exterior angles of a polygon is equal to 360 degrees
