Задание 1. Даны множество но плоскости: \( T \) - множество треугольников, \( R \) - множество равнобедренных треугольников, \( P \) - множество провильных треугольников, \( K \) - множество прямоугольных треугольников. Кажие из утверждений истинны? 1) \( T \subset R \); 2) \( P \subset R \); 3) \( K \subset R \); 4) \( K \subset K \).

Whoose the correct answer? (1) if \( A(3,5), B(7,1) \) and \( C \) is the midpoint of \( \overline{A B} \) then \( C= \).

Un círculo tiene un radio de 5 pulgadas. ¿Cuál es la longitud del diámetro?

3. Calcola l'area del rettangolo \( A B C D \) sapendo che \( B D=35 \mathrm{~cm} \) e \( C H=16,8 \mathrm{~cm} \). \( \quad\left[588 \mathrm{~cm}^{2}\right] \)

Question A 30 foot ladder is set against the side of a house so that it reaches up 24 feet. If Alexander grabs the ladder at its base and pulls it 10 feet farther from the house, how far up the side of the house will the ladder reach now? (The answer is not 14 ft .) Round to the nearest tenth of a foot.

Question If you place a 28 -foot ladder against the top of a 22-foot building, how many feet will the bottom of the ladder be from the bottom of the building? Round to the nearest tenth of a foot. Answer Attempt 1 out of 2