Answer:
15
Step-by-step explanation:
x+5/36 = x/27
these are similar triangles
Answer:

Step-by-step explanation:
If a, b, c are three sides of the triangle, then

In your case, two sides have measures of 4 units and 8 units, then

Hence,

Therefore,

3.987 rounded to the nearest tenth = 4.0
Answer:
88
Step-by-step explanation:
88+100+90+87=365
365 divided by 4=91.25
the answer is 88