Find the surface area! Please I need it quick
1 answer:
Step-by-step explanation:
<h2>We first find the area of a trapezium and rectangular face</h2><h2>Fourmula to find the are of a trapezium is:</h2><h3>Area=1/2*(B+b)*h</h3><h3> =1/2*3.7*1.9</h3><h3> =3.515m²</h3><h2 /><h2>Since every rectangular face is different we gotta find each of them</h2><h3>Area1=4.8*2.1</h3><h3> =10.08 m²</h3><h3>Area2=4.8*1.4=6.72m²</h3><h3>Area3=4.8*2.3=11.05m²</h3><h3>Area4=4.8*1.9=9.12m²</h3><h3 /><h3>Now we find the area of the whole prism</h3><h3>Area=3.515*2+10.08+6.72+11.05+9.12</h3><h3>Area=44m²</h3><h2>Sorry my wireless went down!!!</h2><h2>Hope this helps and you already know what I would like to get</h2>
You might be interested in
Answer:
Step-by-step explanation:
Check attachment for solution
Answer:
Natalia's work is wrong.
Step-by-step explanation:
Natalia divided a decimal number by an entire number. Since division is a operation derived from multiplication, the best approach to check if work was good is multiplying the given result by denomination, that is:
1) Given.
2) Definition of addition.
3) Distributive property.
4) Definitions of multiplication and decimal number.
5) Definition of division/Associative property.
6) Associative property.
7) Definition of multiplication.
8) Definition of divsion.
9) Defintion of decimal number.
10) Definition of addition/Result
Natalia's work is wrong.