Answer:
x = 7 , y = 7
Step-by-step explanation:
A 45- 45- 90 triangle is an isosceles right triangle with the 2 legs being congruent , that is
x = 7
Using Pythagoras' identity in the right triangle, then
y² = 7² + 7² = 49 + 49 = 98 ( take square root of both sides )
y =
=
=
×
= 7
Answer:
D
Step-by-step explanation:
Given
- 3 ÷ - 
Leave the first number, change division to multiplication and turn the fraction upside down, that is
= - 3 × - 
= 
= 
= 7
→ D
Answer:
-11
Step-by-step explanation:
Answer:
12
Step-by-step explanation:
9+3=12
hope it helps
btw I need one more brainliest to level up
Answer:
158.4 i think
Step-by-step explanation: