Answer:
22
Step-by-step explanation:
27-4+7-8=
23+7-8=
30-8=
22
Answer:
The area of a triangle is:
Step-by-step explanation:
Given the points of a triangle
A(1, 1)
B(2, 3)
C(4, 5)
Distance between AB:
so
Distance between BC:
so
Distance between AC:
so
Semiperimeter = sum of sides ÷ 2
Area of the triangle:
Therefore, the area of a triangle is:
Answer:
9:11
Step-by-step explanation: