Answer:
800
Step-by-step explanation:
Answer:
∠A = 30°
∠B = 60°
∠C= 90°
Step-by-step explanation:
This is a right triangle, you can see it mainly by the red square in C, and it is always used to mark 90 degrees.
Knowing that, you now know <em>∠C is 90°</em>
Now, to find ∠B, you should use the following equation:
This means that the sum of the three angles of a triangle gives 180. ALWAYS. So to find the missing angle, ∠B, do the following:
Fill the values of the equation with the angles you now know:
Solve the equation, passing the 30° and 90° to the other side of the equal sing with Inverse Operation:
<em>B = 60</em>
<em>Hope it helps!!</em>
DE+EF=DF
8x+2=x+9
8x-x=9-2
7x=7
x=7/7
x=1
DF=x+9
put the value of x
DF=1+9
DF=10
Answer:
It would be 3 because 3×4=12
(4 goes into 12 3 times)
Answer with explanation:
There are few number of white ball in 10 boxes.
Total number of Black balls in the box=60
So, we have to write number 60 in such a way that, such that it can be represented as sum of ten different digits.
That is the only way by which we can distinguish between ten boxes.
60 =0 +1+2+3+4+6+8+10+12+14
Place these balls in ten different boxes.
So, by this way we can distinguish between boxes.
