Answer:
Step-by-step explanation:
Answer:
true
Step-by-step explanation:
sinA² + cosA²=1
⇔(1/2)² + cosA²=1
⇔cosA=±(√3/2)
Answer:
see explanation
Step-by-step explanation:
the sum of the lengths of any two sides of a triangle is greater than the length of the third side.
if the sides are a, b, c , then the following must be true
a + b > c
a + c < b
b + c > a
for the 3 sides to form a triangle
Answer:
$38.54
Step-by-step explanation:
S+(S+$7.24)=$84.32
Step 1. 84.32-7.24=77.08
Step 2. 77.08÷2=38.54
