Given EF is tangent to OA at point D, which statement must be true? Select all that apply. E D F A. MZDAB = 2m ZDCB B. M2CBD = m ZCDF C. MZBDC = m ZBDE D. m ZCDF = m ZBDF MZBDE = m ZBAD E.

Let ABC be a triangle, and DE parallel to the base BC. Suppose point F is any point onDE. Show that shaded area is less than or equal to one-fourthof the area of the entire triangle. Where α(BDF) + α(CEF) = 14α(ABC) if and only ifpoints D and E are the midpoints of AB and AC, respectively.

show that MP=MA Hint. AKPM ~A PLM k В Σ

E 8. PRand QS intersect at T. 407 R.

Find AT, ATA, and AAT.

This is not an assignment question

If WC=6, ZC=10, WY=12, find YZ

2. MO bisects ZLMN , Find the value of x. M x+10) a. (3x-20Y b. 10 С. 15 d. 20 5.