Answer:
223.5 in²
Step-by-step explanation:
The surface area of a triangular pyramid comprises:
- Area of the <u>base triangle</u>.
- Area of 3 <u>congruent side triangles</u>.
<u />
<u>Area of a triangle</u>
where:
From inspection of the diagram:
- Base triangle: b = 10 in, h = 8.7 in
- Side triangles: b = 20 in, h = 12 in
Therefore, the surface area of the given triangular pyramid is 223.5 in².
ANSWER: The answer is 0.75
Step-by-step explanation:
hope this helps
Answer:
80 mg
Step-by-step explanation:
By proportion the daily allowance is 200 * 100/250
= 200 * 10/25
= 80 mg
80 × .65 = 52
She completed 52 serves.
Answer:
8/mile = 8
Step-by-step explanation:
convert hours to minutes. 3 hours, 28 minutes converted to minutes is...
3*60 (60 minutes in an hour)
=180
180+28 (don't forget to add what was already converted to minutes!)
=208
208/26 (divide time by distance ran)
=8 (8 minutes per mile)