Question

Please help me. thanks.

Answer 1

4cm

Explanation:

» Concepts

The area of a triangle is how much space is in the triangle. The formula for the area of a triangle is
`(1)/(2) bh`, where b = base and h = height.

» Application

We're given the area as 10 cm² and the base as 5 cm. Thus, we have to plug these values into the formula to solve for the height.

» Solution

• 
  `10=(1)/(2) *5*h`
• 
  `10=(5)/(2)h`
• 
  `10*2/5=5/2(h)*2/5`
• 
  `h=4`

Answer 2

`~~~\text{Area of triangle} = \frac 12 * \text{Base} * \text{Height}\\\\\implies 10 = \frac 12 * 5 * w\\\\\implies w =\frac{20}5 \\\\\implies w = 4 ~cm`