D. it represents the product of two rational numbers and is equivalent to an irrational number
Answer:
Step-by-step explanation:
This is an isosceles triangle with base of 21 and sides of 28.
<u>Area formula</u>
<u>Find height:</u>
- h =

<u>Area:</u>
- A = 1/2(25.96)(21) = 272.6 (rounded)
1 meter is equal to 5000 millimeters so 5000 millimeters is equal to 5 meters