Answer:
10
Step-by-step explanation:
10
X is a 90 degree angle so x equals half of 90 which is 45
X= 45
Since x is 45 the other angle on the other side is 45
Every triangle equals 180 so you take 45+45 to get 90 and subtract that from 180 and get 90
Y= 90
hope this helped ask questions
Answer:120
Step-by-step explanation:
because the triangle is a right angel which is 30 multiplied by 40 is 120its like 3 by 4 12 just add a 0
B. Isosceles. that is the correct answer
