X=1, y=3 because 2x1 is 2 and 3x3 is 9, 2 plus 9 equals 11 and 11 plus 4 equals 15
The area of a triangle is A = (b*h)/2:
(5 * 8)/2 = 20
Answer:
Step-by-step explanation:
(A) The value of x is 90 degrees. (B) The angle is a right angle.
