Sin = opposite / hypotenuse
cos = adjacent / hypotenuse
using pythagoras theorem =
adjacent = 5^2-3^2
= 16
= square root 16
=4
cos x = 4/5
Answer: drag the first one to the fourth one, drag the second one to the first one,drag the third one to the second one,drag the fourth one to the third one.
Step-by-step explanation:if its wrong then im sorry
Answer:
x = 15
Step-by-step explanation:
From the above diagram, we can see that the right angled triangle has been split into two by drawing a line from the altitude.
This would really in the following ratios or proportions below
25 : x = x : 9
25/x = x/9
Cross Multiply
x² = 25 × 9
x² = 225
x = √225
x = 15
Answer:
The set of rigid motions could be used to show that triangle ABC is congruent to triangle DEF is " a horizontal translation and a vertical translation" ⇒ D
Step-by-step explanation:
- Horizontal translation means move the object right or left
- Vertical translation means move the object up or down
- Translation horizontally or vertically not change the direction of the object or its size, then the image is congruent to the original object
- Rotation and reflection change the direction of the object but do not change its size
∵ Δ DEF has the same direction as Δ ABC
∵ Δ DEF is congruent to Δ ABC
∴ The translation is using
∵ Δ DEF is right and below to Δ ABC
∴ There are horizontal and vertical translation
The set of rigid motions could be used to show that triangle ABC is congruent to triangle DEF is " a horizontal translation and a vertical translation"
Divide each side of the equation by 18. Then it will say 'm = a fraction'.
That's the solution. You can reduce (simplify) the fraction to make it look
neater.
