The first President of the Czech Republic was Václav Havel
Answer:
A. 8π / 3
Step-by-step explanation:
Answer:




Step-by-step explanation:
The diagonals of a rhombus are perpendicular to each other, so angles (2) and (3) are equal 90°.
To find angle (1), we can use the sum of internal angles in the left triangle with angles 52°, (1), and (2):



The diagonals of a rhombus bisects the angles, to the angle next to the angle of 52° is also 52°, then, in the upper triangle, we have:


Answer:
A) 30
Step-by-step explanation:
3*10=30
A 30
Answer:

Step-by-step explanation:
Since 1 hour contains 60 minutes, So 1 hour would by divided by 60
So, the required expression is,
=> 