iiwaffle
iiwaffle iiwaffle
  • 03-04-2017
  • Mathematics
contestada

I need help for number 1 through 3

I need help for number 1 through 3 class=

Respuesta :

Goalinetsky
Goalinetsky Goalinetsky
  • 03-04-2017
Area of a Triangle = [tex] \frac{bh}{2} [/tex]

1: A = [tex] \frac{12x18}{2} [/tex] = 108cm²

2: A = 10·10 + 2([tex] \frac{20x10}{2} [/tex]) = 100 + 200 = 300mm²

3: A = [tex] \frac{1.4x2.1}{2} [/tex] = 1.47m²
Answer Link

Otras preguntas

What number is halfway between 3000 and 4000
There are 30 students in a class that took a test. The average grade of 10 students was 80. The other 20 students average was 89. What is the overall average fo
Write the name of a shape that has no sides and no vertices
Which of the following statements is not true?"Whom" can serve as the object of a preposition."Whom" is an object pronoun."Who" and "whom" are personal pronouns
Which words in this sentence are common nouns? Aztec crops, such as corn and beans, were unknown in Europe. Choose all answers that are correct. A. Aztec B. c
write the value of the dijit 5 in 657
What two numbers has a lcm of 50
how to solve 0.01x+0.07y=0.22 and 0.03x-0.05y=0.14 by substitution
Translation: how long has it been?
How do I change 36 to 360