It's very simple. Since it gives u the slope, you go up 3 over 1.
Answer:
CD = 9
Step-by-step explanation:
ΔADE is similar to ΔBCD
<u><em>Such that:</em></u>
AD is similar to CD
BD is similar to ED
AE is similar to BC
<u><em>Taking the proportion of their sides to find the unknown sides CD</em></u>
=> 
<em>Cross Multiplying</em>
=> 2(CD) = 3*6
=> CD = 18/2
=> CD = 9
We are given the height of Joe which is 1.6 meters, the length of his shadow is 2 meters when he stands 3 meters from the base of the floodlight.
First, we have to illustrate the problem. Then we can observe two right triangles formed, one is using Joe and the length of the shadow, the other is the floodlight and the sum of the distance from the base plus the length of the shadow. To determine the height of the floodlight, use ratio and proportion:
1.6 / 2 = x / (2 +3)
where x is the height of the flood light
solve for x, x = 4. Therefore, the height of the floodlight is 4 meters.
Answer:
x=3
Step-by-step explanation:
If all of the angles and sides are congruent, then you would just subtract 7 by 4 and get 3 for x.
+ 
or x = -