Actividade para intregan (1) Calcule a distanaia entre os seguntes pontos: a) \( (2,3) \) e \( B(-5,-7) \) B) \( C(-2,2) \) e \( D(10,-3) \)

1. Which of the following statements is FALSE about the area of a circle? The area of a circle describes the number of square units that fit inside the circle. \( A=\pi d \) The area of a circle determines how much space is covered by the circle. \( A=\pi r^{2} \)

160. Il perimetro di un parallelogrammo è 135 cm e un lato misura 44 cm . Calcola la misura del lato consecutivo a quello dato.

3. What is the radius of a circle (rounded to the nearest tenth) that has a circumference of 87 cm ? 10.5 13.8 27.7 5.3

2. Which of the following statements is FALSE about the circumference of a circle? \( C=\pi d \) \( C=\pi r^{2} \) The circumference of a circle describes the distance around the circle. The circumference of a circle is analogous to the perimeter of a polygon.

191 I cateti di un triangolo rettangolo misurano rispetti- vamente 27 cm e 36 cm . Sapendo che il perimetro e 108 cm , calcola l'area e la misura dell'altezza re- lativa allipotenusa. [ \( 486 \mathrm{~cm}^{2} ; 21,6 \mathrm{~cm} \) ]