A method is to normally multiply 67.8 and 45, and then move the decimal place according to the two numbers like this: in 67.8 the decimal is to the left once, and in 0.45 the decimal is to the left 2 times, so in the answer it will be to the left 3 times. Solve, and the answer is 30.51.
Answer:
2.meters
Step-by-step explanation:
Lenght of ladder = 4 m
θ = 30°
To obtain h;
Using Pythagoras rule :
Sinθ = opposite / hypotenus
Hypotenus = 4 ; opposite = h
Sin 30 = h / 4
0.5 = h / 4
h = 0.5 * 4
h = 2 m
Hence, distance between th efoot of ladder and the base of the wall is 2 m
Answer:
62
Step-by-step explanation:
The side length of each of the three squares is 4 units. This means the area of each would be 4² = 16 sq. units. For the three, this means the total area is 16(3) = 48 sq. units.
The area of each triangle is 7 sq. units; this means together the area of the two triangles is 2(7) = 14 sq. units.
Together this makes the surface area of the prism 14+48 = 62 sq. units.
The degree of 0 on a circle is 360°
To find the percentage of 28 from 70:
28/70=0.4
0.4=40%
