anaisgiap
anaisgiap anaisgiap
  • 26-04-2022
  • Mathematics
contestada

area = 756 cm^2
h = 18 cm
a = 39 cm
b = ?​

area 756 cm2 h 18 cm a 39 cm b class=

Respuesta :

shusilsunar2005
shusilsunar2005 shusilsunar2005
  • 26-04-2022

Answer:

given,

area= 756cm^2

h = 18cm

a = 39cm

then,

area = (a+b)h/2

756 = (39+b)18/2

756= 351+9b

756-351= 9b

405 = 9b

405/9= b

b = 45cm

Answer Link

Otras preguntas

Rational or Irrational show ur Work
Antwon makes hot chocolate by mixing 2 cups of milk with 5 tablespoons of cocoa. how many cups of milk would he need for 1 tablespoon of cocoa?​
Escoge la mejor respuesta, según el contexto. Debería los buenos precios de esta temporada. girar alrededor de contar con sacar provecho de estar rodeado de
1. I have a fever, SO
Help me on this question pleaseee
What is Three-fourths divided by one-half? A fraction bar labeled 1. Under the 1 are 4 boxes containing one-fourth. Under the 4 boxes are 2 boxes containing one
Last week, Layla wrote 5 checks for $35 each from his checking account, withdrew another $40, and finally made a deposit of $96. What was the change in the bala
what can you iinfer about IT as a character in the novel
How does solid Neon or Argon look compared to liquid Neon or Argon?
How to solve the equation x to the power of 2 equals 10