The answer is D. I am sure of this. Brainpower? Have a great day!
Answer:
A. 6
Step-by-step explanation:
Since, cake is of right triangled shape, so measure of its one angle would be 90° and the sum of the measures of the remaining two angles will also be equal 90°.
Therefore,
5x +10x = 90
15x = 90
x = 90/15
x = 6
Answer:166.66
Step by step explanation
I think is D , hope i answer fast enough haha :D