Answer:
b) 45cm
Explanation:
by pythagoras theorem:
R² = P² - Q²
R² = 53² - 28² = 2809 - 784
R² = 2025
R = √2025
R = 45cm
Hope this helps!
Answer:B
R^2=Q^2-P^2
R^2=2025
R=45
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