Eight squared times 3+2 times 7= 1358. Where do I place the parentheses to make that a true statement
1 answer:
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Answer:
radius = 6.5
Step-by-step explanation:
The equation of a circle centred at the origin is
x² + y² = r² ( where r is the radius )
x² + y² = 42.25 ← is in this form
with r² = 42.25 ( take the square root of both sides )
r = = 6.5