198 is your answer. Hope this helps!
-Belle
∠Q = ∠R = 47°
answer
<span>∠R
------------------------</span>
Answer:
D
Step-by-step explanation:
Using Pythagoras' identity on the right triangle
The square on the hypotenuse is equal to the sum of the squares on the other 2 sides, hence
(BC)² = 10² + 30² → D