3 years ago

What is the value of x?

1 answer:

3 0

THIS IS A RIGHT & isosceles triangle: A = 90. B = 45 THEN ANGLE C =45

THEN AB = AC = 4√2

APPLY PYTHAGORAS: BC² =AB² + AC²

===> X² = (4√2)² + (4√2)² ==>16.2 +16.2 = 64
X² 64 & X =√64 ==> X = 8

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3 years ago

Find the sine of ∠U. A)48/55 B)48/73 C)55/48 D)55/73

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Step-by-step explanation:

The question is on trigonometry. Sine of an angle is obtained using the SOH of SOHCAHTOA formula of trigonometry. SOH is an acronym for sine, opposite and hypotenuse. Sine of an angle is obtained from the ratio of opposite and hypotenuse of a given triangle. Thus, SOH

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$sine \: \beta = \frac{opposite}{hypotenuse}$