Hello!
The equation for a circle is

r is the radius
To find the radius we take the square root of the number in the radius spot
sqrt169 = 13
The answer is 13
Hope this helps!
Answer:
4 square units
Step-by-step explanation:
If the triangles have corresponding sides the same length, they are congruent triangles. Any measure of ΔABC is the same for ΔDEF.
The area of ΔDEF is 4 square units.
Its already written as a decimal but it can be 8 1/2
Answer:
4/10
Step-by-step explanation:
There are 10 items and 4 chocolates, therefore it is 4/10
Answer:
900,000
Step-by-step explanation:
It's so easy. Don't need to explain.