Answer:
25√3cm²
Step-by-step explanation:
Area of the triangle = 1/2 * base * height
Base = 10cm
Height is gotten using the pythagoras theorem
h² = 10² - 5²
h² = 100 - 25
h² = 75
h = √75
h = 5√3
Get the area
Area = 1/2 * 10 * 5√3
Area = 25√3cm²
hence the area of the tringle is 25√3cm²
