Respuesta :

Answer: the top one is 20cm

The bottom one is 25

Step-by-step explanation:

The formula for a triangle is 1/2 (base) x (height) so in this case 1/2x8x5=20 and 1/2x5x10=25

Answer:

1. 20 2. 25

Step-by-step explanation:

Formula for triangle: Length times width divided by 2.

1. 8 x 5 / 2 = 20

2. 5 x 10 / 2 = 25

Hope this helped! If it did, please mark it brainliest! It would help a lot! Thanks! :D