Answer:
6.2 meters
Step-by-step explanation:
Use pythagorean theorem to find b:
b = √(2.8² - 2.7²) = √0.55 = 0.7 (nearest tenth)
Perimeter of triangle = sum of all its sides = 2.8 + 2.7 + 0.7
Perimeter = 6.2 meters
Answer:
Im pretty sure its C
Step-by-step explanation:
desmos
Answer:
3.5
Step-by-step explanation:
so this triangle is symmetrical by AA. so x would be symmetrical to 7, and 2.5 is symmetrical to 5.
= 
x×5=5x
2.5×7=17.5
5x=17.5
x=17.5/5
x=3.5
Answer:
arranged in or extending along a straight or nearly straight line.
Step-by-step explanation:
Answer:

Step-by-step explanation:
Calculate total number of students: 9+15 = 24
