A ladder is placed against a wall.
To be safe, it must be inclined at between 70° and 80° to the ground.
5.8m
O 11N/Ma1 lesson 3438
HERRER
1.5m
MM
G
(a) is the ladder safe?
![A ladder is placed against a wall To be safe it must be inclined at between 70 and 80 to the ground 58m O 11NMa1 lesson 3438 HERRER 15m MM G a is the ladder saf class=](https://us-static.z-dn.net/files/d0d/47304965c1cb7d1831b140201105cb02.png)