Answer:
ummmmm illl ask my friend
Answer:3
Step-by-step explanation: becusause it is very easy man
Answer:
<h3>3cm</h3>
Step-by-step explanation:
Area of a triangle = 1/2 * base * height
Given
Area = 7 7/8cm²
Base = 5 1/4 cm
Required
Height of the triangle
Substitute;
7 7/8 = 1/2 * 5 1/4 * Height
63/8 = 1/2 * 21/4 * h
63/8 = 21H/8
63 = 21H
H = 63/21
H = 3cm
Hence the length of h is 3cm
Answer:
20
Step-by-step explanation:
We can use similar triangles
12/3 = x/5
x = 20
