Question

Question 19 of 28

Answer 1

Answer:

BC^2=10^2+30^2

Step-by-step explanation:

• P=10
• B=30

Using pythagorean theorem

$\\ \sf\longmapsto BC^2=10^2+30^2$

$\\ \sf\longmapsto BC^2=100+300$

$\\ \sf\longmapsto BC^2=400$

$\\ \sf\longmapsto BC=\sqrt{400}$

$\\ \sf\longmapsto BC=20$