Answer: 50
Step-by-step explanation:
The area of the triangle is the (height x base) ÷ 2
So, if you substituted in your numbers: (10 x 10) ÷ 2
Then solve: 10 x 10 =100, 100 ÷ 2 = 50
Hope this helped you! Feel free to reach out if you have any further questions!
