Question

Construct a triangle PQR whose perimeter is11cm and angle P=40 degrees and angle R =70 degrees

Answer 1

• STEPS OF CONSTRUCTION:
• 1) Draw a line segment XY of 12 cm.
• 2)AT X draw angle 50
• o
• and at y draw angle 80
• 0
• 3)Draw a bisector of angle 50
• o
• as well as angle80
• o
• .
• 4)Mark the point where both the bisectors meet as A.
• 5)Draw the perpendicular bisector of AX and AY Meeting XY at B and C respectively.
• 6)Join AB and AC .
• 7) ABC is the required triangle.

Answer 2

Answer:

STEPS OF CONSTRUCTION:

1) Draw a line segment XY of 12 cm.

2)AT X draw angle 50

o

and at y draw angle 80

0

3)Draw a bisector of angle 50

o

as well as angle80

o

.

4)Mark the point where both the bisectors meet as A.

5)Draw the perpendicular bisector of AX and AY Meeting XY at B and C respectively.

6)Join AB and AC .

7) ABC is the required triangle.

Step-by-step explanation:

Hope it will help you...