In una circonferenza la corda massima misura 20 cm . Quanto misura 15 cm dal centro quanto In una circonferenza le corde \( A B \) e \( C D \) sono congruenti. Se \( A B \) dista dista dal centro la corda \( C D \) ?

3. Escribe (V) si la afirmación es verdadera o (F) si es falsa. a. Todos los triángulos equiláceros son congruentes. b. Un criángulo equilátero puede ser con- gruente con un rriángulo isósceles. c. Un criángulo acuáangulo nunca es con- gruente con un criángulo obrusángulo. d. Si \( \triangle A B C \cong \triangle P Q R \), entonces \( \overline{B C} \simeq \overline{Q R} \). ( )

b. \( 49 x^{2}+16 x-56 \)

2) Cráfico da func,ão consiante y

14. Write two division sentences for \( 8 \times 6=H C \) 15. There are 80 tables in the lunchroom. There are 8 chairs around each table How many total chairs are in the gym?

1. This is a convenience sample; the respondents chose whether or not they are included in the sample. Since a particular type of person might be more inclined to respond, this has the potential to bias our sample. This is the big reason the sampling technique is problematic (we could get more specific here). With respect to the topic of the survey, political views are a sensitive topic for many people. This might contribute to the low response rate.