Triangle rst was dilated by a scale factor of one-half. the image, triangle r's't', is an isosceles triangle, with each leg measuring 8 units.
point q is the center of dilation. isosceles triangle r s t was dilated to smaller triangle r prime s prime t prime. sides r s and r t are 8 units long.
what is the length of a leg of the pre-image, triangle rst?
4 units
8 units
16 units
20 units

Aplane is taking off from bangladesh headed to new york city. at the same time, a plane from new york city is headed to bangladesh is also taking off. the plane bound to new york city is traveling at 600 mph, while the plane traveling to bangladesh is traveling at 400 mph. how far from new york city will the two planes meet if the distance between new york city and bangladesh is 8,000 miles?