(i) The measure of a right angle is 90o
(ii) The measure of a straight angle is 180o
Angle | Measure | Type |
---|---|---|
\(∠AOB\) | ||
\(∠AOC\) | ||
\(∠BOC\) | ||
\(∠DOC \) | ||
\(∠DOA\) | ||
\(∠DOB\) |
Column I shows different positions in which one pole of a magnet is placed near that of the other. Column II indicates the resulting action between them for each situation. Fill in the blanks.
Column I | Column II |
N-______ | _________ |
N-________ | Attraction |
S-N | |
________-S | Repulsion |
Draw:
1) a leaf
2) a taproot and
3) a flower,
you have studied for Table 4.3