suhera77 suhera77
  • 20-01-2020
  • Mathematics
contestada

Un trapèze a une aire de 39 cm2. Sa grande base
mesure le triple de sa petite base. Sa hauteur
mesure 3 cm.
Trouve les dimensions des bases de ce trapèze.

Respuesta :

fishouttawater fishouttawater
  • 20-01-2020

Answer:

A = bh/2

39 = b*3/2

39*2 = b*3/2 * 2

78 = b*3

78/3 = b*3/3

26 = b.

Alors, la grande base est 26 cm et le petit base serait 26/3 = 8.67 cm arrondi.

Answer Link

Otras preguntas

in your down words , describe the motion above ​
what is the midpoint of the segment show below? ​
Which sign makes the following statement true? * 5+2.5 ? 3+1
Please help what’s the missing length of TU?
Does friction work with to an applied force
Una mujer embarazada sale de su habitación va a la nevera abre una lata de atún un refresco un yogur consigue una galleta Qué abrió primero?
2 Points Which sentence is an example of first-person narration? A. "Where are you going?" you ask your sister, as she runs out of the house. O B. "Where are yo
The radius of a circle is 5 in. Find its area to the nearest tenth.
How many digraphs in throat
Spanish Help! Please hurry! 1) Match the items. el cuate Dígame. el plátano la planta baja de el A. a way of answering the phone in Spanish B. el amigo (e