4 measurements = 10 points Can anyone help?

FIG A : ANGLE OF BAC = 67.38 °

FIG B : LENGTH OF RT = 10.549 cm

FIG C: LENGTH OF AB =  5.282 cm

FIG D:  ANGLE OF ACB = 37.303°

Step-by-step explanation:

Fig A:

ABC angle = ( Opposite side) / (Hypotenuse)

                  Sin Ф = (12) / (13)

                   Ф = Sin⁻¹ ( 12/13)

                    Ф = 67.38 °

Fig B:

By the basic property of  trigonometry

Tan Ф = (Opposite side) / (Adjacent side)

Tan Ф = (14)/ X

X= 14 / (Tan 53° )

Length of RT = 10.549 cm

Fig C:

By the basic property of trigonometry

Sin Ф = (Opposite side) / (Hypotenuse)

Sin Ф = (X) / 12.5

X = 12.5 Sin 25°

X=  5.282 cm

Fig D:

From the basic property of Trigonometry

Tan Ф = (Opposite side) / (Adjacent side)

Tan Ф = (8/10.5)

Ф = Tan⁻¹ ( 8/10.5)

  Ф = 37.303°

step-by-step explanation:

you can add the two numbers and divide the result by 2. or you can find the gap between the two numbers and add half of this to the smaller number.