Question

16. Construct a triangle ABC in which < B = 60°, < C = 45° and the
length
of perpendicular from the vertex A to base BC is 5 cm.​

Answer 1

Answer:

Step-by-step explanation:

The ΔA  

′

BC  

′

 whose sides are  

4

3

​  

 of the corresponding sides of ΔABC can be drawn as follows:

Step 1: Draw a ΔABC with side BC=6cm,AB=5cm,∠ABC=60  

∘

 

Step 2: Draw a ray BX making an acute angle with BC on the opposite side of vertex A.

Step 3: Locate 4 points, B  

1

​  

,B  

2

​  

,B  

3

​  

,B  

4

​  

 on line segment BX.

Step 4: Join B  

4

​  

C and draw a line through B  

3

​  

, parallel to B  

4

​  

C intersecting BC at C  

′

.

Step 5: Draw a line through C  

′

 parallel to AC intersecting AB at A  

′

.

The triangle A  

′

BC  

′

 is the required triangle.

Answer 2

Answer:

your answer is in photo

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