Question

find the value of x in the given figure​

Answer 1

Answer:

10

Step-by-step explanation:

In Δ ADC

⇒ (AD)² + (DC)² = (AC)²

⇒ (8)² + (DC)² = (17)²

⇒ (DC)² = (17)² - (8)²

⇒ (DC)² = 289 - 64 = 225

∴ DC = 15

∴ BD = 21 - 15 = 6

Again in Δ ADB

⇒ (AD)² + (BD)² = (AB)²

⇒ (8)² + (6)² = (x)²

⇒ 64 + 36 = (x)²

⇒ x² = 100 ∴ x = 10

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