Question

Can anyone please answer h6, 7 and 8?​

Answer 1

Answer:

H6- AD is 12

Step-by-step explanation:

Find semi perimeter of triangle ABC- (13+20+21)/2 = 27

Use Herron's formula to find area of the triangle- $\sqrt{27(27-13)(21-21)(27-20)$ you will get area as 126. Equate this to 1/2 X Height X Base. You will get Height as 12