Aquadrilateral has angles that measure 56°, 97°, and 136°. what is the measure of the fourth angle? °

First we must understand that a quadrilateral is equal to 360 degrees altogether.

If we know 3 of the angles of a quadrilateral we can subtract them from 360 to get the fourth angle measurement.

360 - 56 - 97 - 136 = 71

So our fourth angle measurement is 71 degrees.

Good Luck! <3

answer: 1,380

step-by-step explanation:

1: you turn %15 into a decimal by moving the decimal point two places to the left.

2: and then you multiply .15 by 1,200 , which will get you 180.00

3: from there you will add 180 to 1,200

4: which will get you 1,380

hope it *im kind of slow so idk if my answer is right*

answer: 1 + 1 = 11

step-by-step explanation: