Question

Please help me of this question.​

Answer 1

Answer:

BD = 5√2 cm

c. Equal to 90⁰

Step-by-step explanation:

apply pythagorus theorem

BC²+DC²=BD²

5²+5² = BD²

BD² = 25 + 25

BD² = 25 x 2

BD = 5 x √2

BD = 5√2 cm