Question

in a angle of abc, angle b= 90° and ab =4 cm,bc=3cm and AC=5cm.find sinA​

Answer 1

Answer:

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Step-by-step explanation:

Steps of construction:

(1) Draw a line segment XY.

(2) Locate B, C on XY such that BC=4cm

(3)Construct a line segment BD, sufficiently large, such that ∠B=90°

(4)With C as centre and radius 5cm draw an arc, cutting BD at A; join AC.

Then, ABC is the required triangle.

Answer 2

Answer:

Hope this will help you.