Question

Find the Area of the Triangle. A = 1/2 (b x h)

Answer 1

A=1/2(b×h)

divide a half by 12=6

6×4,since 4 is the height=24

Answer 2

30 um²

Explanation:

BC = √5² - 4²

= √25 - 16

= √9

= 3 um

AC = 12 + 3 = 15 um

A = AC×BD/2

= 15×4/2

= 15×2

= 30 um²