What type of angles are these?! Will mark brainliest

4 is acute and 3 is abtuse

Thats a obtuse angle

(135 degree)

And just in case you need the rest named for a test:

acute angle-an angle between 0 and 90 degrees. ... right angle-an 90 degree angle. obtuse angle-an angle between 90 and 180 degrees. straight angle-a 180 degree angle.

^I tried uploading a picture but it did not let me, so thats what I got for you! :(

Step-by-step explanation:

Sry! Hope it helped though! :)

Have a wonderful day, and stay possative!

x = -4

step-by-step explanation:

- 20 - 4(x + 3) = 4x

=> -20 - 4x - 12 = 4x

=> - 32 -4x = 4x

=> -32 = 4x + 4x

=> - 32 = 8x

=> -32/8 = x

=> -4 = x

x² + 3x + 7 = 0       [ax² + bx + c]

a = 1

b = 3

c = 7

quadratic formula:

    (+/- is this ±)

plug in the numbers into the variables

your answer is a