Question

7. What is the area of ∆ABC in which, AB = BC = 4cm and ⟨B= 90°​

Answer 1

Answer:

8cm^2

Step-by-step explanation:

AB=BC=4cm right angled at B

here perpendicular = 4cm

base = 4cm

So, Area = (1/2) * 4 * 4

= 8 cm^2 is the answer.

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Answer 2

Answer:

8 cm square

Step-by-step explanation:

Since triangle is a right angle triangle so hypothenuse can never be equal to side so

base = perpendicular = 4cm

AREA = 1/2 ×b × h

now

1/2 × 4×4 = 8 cm square