Answer:
this is a right angled triangle
so by the Pythagoras theorem
h2 = √ p2+. b2
h2 = √2 square + 6 square
h2 = 4+ 36
h2 = 40
h = √40
h = 20
c=6.3cm
Step-by-step explanation:
6²+2²=c²
36+4=c²
40=c² -> (√40 ≈ 6.32)
6.32 ≈ 6.3
