Question

in the figure angle =90degree angleA= angleC and bc=10cm then find the value of tan 45 degree​

Answer 1

Given

In the figure angle =90degree angleA= angleC and bc=10cm then find the value of tan 45 degree​

Answer

angle b = 90°

angle a = 30°

angle c = 60° __( remaining angle of triangle )

side opposite to 30° = 1/2 × hypotenuse

BC = 1/2 × AC

= 1/2 × 10

= 5 cm.

side opposite to 60° = √3/2 × hypotenuse

AB = √3/2 × AC

= √3/2 × 10

=5√3 was cm.

Ans. side BC = 4 cm. Side AB = 5√3 cm.

Answer 2

Answer:

1

Step-by-step explanation:

We know that sided opposite to equal angles are equal i.e: AB=BC

Hence BC=10.

AB=10. ==> (AB=BC)

Also, Tan45 = opposite/hyotenuse

Tan45 = AB/BC

Tan45 = 10/10

Tan45 = 1

Hence the value of tan is 1