Answer:
D
Step-by-step explanation:
Using Pythagoras' identity in the right triangle
The square oh the hypotenuse is equal to the sum of the squares on the other 2 sides, that is
h² = (9
)² + (9 )² = 162 + 162 = 324 ( take the square root of both sides )
h = 
= 18 → D
Answer:
department
Step-by-step explanation:
Answer:
∠O = 50°
Step-by-step explanation:
Opposite angles of an isosceles trapezoid are supplementary.
... ∠O + ∠T = 180°
... ∠O = 180° - ∠T = 180° -130° = 50°
