Answers:
1. 40
3. 63
4. 100
5. 40
6. 72
Formulas:
3.
4.
Answer:
<em>JM = 5 mm </em>
Step-by-step explanation:
Δ JMK is the right angled triangle ⇒ JM² = JK² + KM²
JM² = 3² + 4²
<em>JM = 5 mm</em>