Kat is painting the edge of a triangular stage prop with reflective orange paint. The lengths of the edges of the triangle are (

Question

borishaifa [10]

3 years ago

12

Kat is painting the edge of a triangular stage prop with reflective orange paint. The lengths of the edges of the triangle are (

3x – 4) feet, (x2 – 1) feet, and (2x2 – 15) feet. What is the perimeter of the triangle if x = 4?

Mathematics

2 answers:

matrenka [14] · Answer 1 · 2022-08-12T09:08:35+03:00

matrenka [14]3 years ago

8 0

Answer:

40 feet

Step-by-step explanation:

Serggg [28] · Answer 2 · 2022-08-12T06:53:10+03:00

Serggg [28]3 years ago

7 0

Given:
edge 1 = 3x - 4
edge 2 = x² - 1
edge 3 = 2x² - 15

perimeter if x = 4

edge 1 = 3(4) - 4 = 12 - 4 = 8
edge 2 = 4² - 1 = 16 - 1 = 15
edge 3 = 2(4²) - 15 = 2(16) - 15 = 32 - 15 = 17

Perimeter = 8 + 15 + 17 = 40 feet.