9-3. =6. r^6 is the correct answer
Answer: 209
Step-by-step explanation:
Answer:the number of terms is 4
Step-by-step explanation:
Obtuse, accute, obtuse, acute, A.
Answer:
68°
Step-by-step explanation:
As BA⊥BD, so ∠ABD = 90°
also, ∠ABD = ∠CBD + ∠ABC
⇒ 90° = 4x + 52° + 8x - 10°
⇒ 12x = 48°
⇒ x = 4°
now,
∠CBD = 4x + 52°
= 4(4°) + 52°
= 68°