Answer:
x = 12
Step-by-step explanation:
The two angles are complementary since they form a 90 degree angle.
35+ 4x+7 = 90
Combine like terms
42 +4x = 90
Subtract 42 from each side
42-42 +4x =90-42
4x = 48
Divide each side by 4
4x/4 = 48/4
x = 12
Answer:
1)acute triangle
2) right angle
3) obtuse triangle
Step-by-step explanation:
please mark me as brainlest
Answer:
Step-by-step explanation:
I’m pretty sure the answer is C
With some simple rearrangement, we can rewrite the numerator as

Then factorizing the difference of squares,
, we end up with
