Answer:
guy7p9;y
Step-by-step explanation:
It’s 180 = 100 + angle 1.
Answer:
x = ± 4
Step-by-step explanation:
Given
x² - 1 = 15 ( add 1 to both sides )
x² = 16 ( take the square root of both sides )
x = ±
= ± 4
It’s 12 cause the smaller triangle is smaller by times 3 so if u multiply all those and the missing one would be 12 cause 4 times 3 is 12