Given: P∈BC, PABC=45, PABP=25, PAPC=30. Find AP.
Answers
Answer:
AP =5 cm
Step-by-step explanation:
Answer:
5
Step-by-step explanation:
Given:
P∈BC
PABC=45
PABP=25
PAPC=30
To find:
AP
Solution:
A polygon with three sides, edges, and vertices is called a triangle. A polygon is a closed, two-dimensional, flat shape with several corners. In geometry, the fundamental shape is a triangle's sides. Ideally, three sides are represented by A, B, and C.
The internal angles of this design, which total three angles, are 180 degrees. A median is a line segment that connects a triangle's vertex to its centre on its opposing sides. The centroid is the point where two medians interact, and altitude is the distance measured at right angles to the vertex.
AB+BC+AC=45
Let BC=x
AC=h
So, AB+x+h=25
AC+BC-x+h=30
Thus, AB=45-BC-AC
AB=25-x-h
45-BC-AC=25-x-h
BC+AC-x-h=20
BC+AC-x+h=30
-2h=-10
h=5
Find the third side of the triangles whose (a) Two sides : 4 cm, 5 cm; Perimeter = 15 cm (b) Two sides : 6 cm, 9 cm; Perimeter = 20 cm (C) Two sides : 5 cm, 2 cm; Perimeter = 12 cm (d) Two sides : 8 cm, 3 cm; Perimeter = 18 cm (e) Two sides : 8 cm, 5 cm; Perimeter = 24 cm (f) Two sides : 9 cm, 13 cm; Perimeter = 37 cm
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