Answer: 320 triangles
Step-by-step explanation: Triangles can be drawn utilizing one side of the polygon. In the event that we take one side, at that point there are a add up to of 16 triangles that can be drawn and we have 20 sides. So, add up to 20×16=320 triangles.
Answer:
15
Step-by-step explanation:

Answer: 105k
Step-by-step explanation:
1. Multiply the number by three (35kg x 3)
2. Use your answer (105kg) and convert it to grams
3. GET YOUR ANSWER = 105k Grams
4. Therefore, Rosie weighs 105k grams
Yes you can because you can see how many times x is being used remember it cant be used more than once in a pair