Answer:
11.55
Step-by-step explanation:
An equilateral triangle is one which all it sides are equal.
10cm altitude means the height is 10cm.
Using Pythagoras theorem,
x² = 10² + (x/2)²
Assume that the side of the triangle is xcm
x² - x²/4 = 100
3x²/4 = 100
x = √(400/3)
x = 11.55cm
Answer:
6%
Step-by-step explanation:
Answer:
1. A = 21,924.0
2. A = 1,584.0
3. A = 104.0
4. A = 126.0
5. A = 81.0
6. A = 217.0
7. A = 67.5
8. x = 6.0
9. x = 20.0
Step-by-step explanation:
Kindly find the attached for the step by step explanation
