Question

CHECK YOUR PROGRESS 17.2
In Fig. 17.19. if PA = 3 cm, PB = 6 cm and PD=4 cm then find the length of PC.
+3, PD= 3 cm and PC = x +5, find the value of x.​

Answer 1

Answer:

use this formula

$ab {}^{2} + bc { }^{2} = ca { }^{2}$