MCQ Practice Mathematics 📖 If a rectangle's length and width are both doubled, by what percent is the rectangle's area increased? A 100% B 200% C 300% D 50% Favorite Practice Add to Book Explanation & Answer Detailed explanations and answers are restricted. Unlock full access by logging in to your account. 🔒 Unlock the detailed explanation and answers Log In / Sign Up PreviousIf 60% of a rectangular floor is covered by a rectangular rug of 9 feet by 12 feet, what is the area in square feet of the fl... NextIf a square is inscribed in a circle of radius r as shown below, then the area of the square region is--